Home / 51,515.16-71,086.14-29,159.16

Finding the Fourth Proportional to 51,515.16, 71,086.14 and 29,159.16

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Solution

The fourth proportional to 51,515.16, 71,086.14 and 29,159.16 is: 40,236.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,515.16 : 71,086.14 = 29,159.16 : x
  2. Step 2: Convert to fraction form
    51,515.16/71,086.14 = 29,159.16/x
  3. Step 3: Cross multiply
    51,515.16x = 71,086.14 × 29,159.16
  4. Step 4: Simplify right side
    51,515.16x = 2,072,812,130.04
  5. Step 5: Solve for x
    x = 2,072,812,130.04/51,515.16
  6. Step 6: Final answer
    x = 40,236.93

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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.