Home / 51,143.02-70,572.32-28,484.12

Finding the Fourth Proportional to 51,143.02, 70,572.32 and 28,484.12

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Solution

The fourth proportional to 51,143.02, 70,572.32 and 28,484.12 is: 39,305.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,143.02 : 70,572.32 = 28,484.12 : x
  2. Step 2: Convert to fraction form
    51,143.02/70,572.32 = 28,484.12/x
  3. Step 3: Cross multiply
    51,143.02x = 70,572.32 × 28,484.12
  4. Step 4: Simplify right side
    51,143.02x = 2,010,190,572.38
  5. Step 5: Solve for x
    x = 2,010,190,572.38/51,143.02
  6. Step 6: Final answer
    x = 39,305.28

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Double scale
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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.