Home / 62,472.28-93,688.80-20,909.56

Finding the Fourth Proportional to 62,472.28, 93,688.80 and 20,909.56

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Solution

The fourth proportional to 62,472.28, 93,688.80 and 20,909.56 is: 31,357.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,472.28 : 93,688.80 = 20,909.56 : x
  2. Step 2: Convert to fraction form
    62,472.28/93,688.80 = 20,909.56/x
  3. Step 3: Cross multiply
    62,472.28x = 93,688.80 × 20,909.56
  4. Step 4: Simplify right side
    62,472.28x = 1,958,991,584.93
  5. Step 5: Solve for x
    x = 1,958,991,584.93/62,472.28
  6. Step 6: Final answer
    x = 31,357.77

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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.