Home / 52,280.19-72,146.96-28,407.06

Finding the Fourth Proportional to 52,280.19, 72,146.96 and 28,407.06

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Solution

The fourth proportional to 52,280.19, 72,146.96 and 28,407.06 is: 39,201.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,280.19 : 72,146.96 = 28,407.06 : x
  2. Step 2: Convert to fraction form
    52,280.19/72,146.96 = 28,407.06/x
  3. Step 3: Cross multiply
    52,280.19x = 72,146.96 × 28,407.06
  4. Step 4: Simplify right side
    52,280.19x = 2,049,482,879.50
  5. Step 5: Solve for x
    x = 2,049,482,879.50/52,280.19
  6. Step 6: Final answer
    x = 39,201.90

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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.