Home / 56,308.71-77,769.80-38,372.58

Finding the Fourth Proportional to 56,308.71, 77,769.80 and 38,372.58

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Solution

The fourth proportional to 56,308.71, 77,769.80 and 38,372.58 is: 52,997.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,308.71 : 77,769.80 = 38,372.58 : x
  2. Step 2: Convert to fraction form
    56,308.71/77,769.80 = 38,372.58/x
  3. Step 3: Cross multiply
    56,308.71x = 77,769.80 × 38,372.58
  4. Step 4: Simplify right side
    56,308.71x = 2,984,227,872.08
  5. Step 5: Solve for x
    x = 2,984,227,872.08/56,308.71
  6. Step 6: Final answer
    x = 52,997.62

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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.