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Finding the Fourth Proportional to 56,694.56, 85,024.56 and 15,136.16

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Solution

The fourth proportional to 56,694.56, 85,024.56 and 15,136.16 is: 22,699.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,694.56 : 85,024.56 = 15,136.16 : x
  2. Step 2: Convert to fraction form
    56,694.56/85,024.56 = 15,136.16/x
  3. Step 3: Cross multiply
    56,694.56x = 85,024.56 × 15,136.16
  4. Step 4: Simplify right side
    56,694.56x = 1,286,945,344.09
  5. Step 5: Solve for x
    x = 1,286,945,344.09/56,694.56
  6. Step 6: Final answer
    x = 22,699.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.