Home / 52,724.68-72,757.88-31,515.64

Finding the Fourth Proportional to 52,724.68, 72,757.88 and 31,515.64

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Solution

The fourth proportional to 52,724.68, 72,757.88 and 31,515.64 is: 43,490.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,724.68 : 72,757.88 = 31,515.64 : x
  2. Step 2: Convert to fraction form
    52,724.68/72,757.88 = 31,515.64/x
  3. Step 3: Cross multiply
    52,724.68x = 72,757.88 × 31,515.64
  4. Step 4: Simplify right side
    52,724.68x = 2,293,011,153.24
  5. Step 5: Solve for x
    x = 2,293,011,153.24/52,724.68
  6. Step 6: Final answer
    x = 43,490.28

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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.