Home / 52,278.02-72,144.73-28,406.24

Finding the Fourth Proportional to 52,278.02, 72,144.73 and 28,406.24

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Solution

The fourth proportional to 52,278.02, 72,144.73 and 28,406.24 is: 39,201.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,278.02 : 72,144.73 = 28,406.24 : x
  2. Step 2: Convert to fraction form
    52,278.02/72,144.73 = 28,406.24/x
  3. Step 3: Cross multiply
    52,278.02x = 72,144.73 × 28,406.24
  4. Step 4: Simplify right side
    52,278.02x = 2,049,360,515.12
  5. Step 5: Solve for x
    x = 2,049,360,515.12/52,278.02
  6. Step 6: Final answer
    x = 39,201.19

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Half scale
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Double scale
Find fourth proportional to 52,279.02, 72,146.11 and 28,407.24
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.