Home / 39,438.60-59,122.64-14,472.86

Finding the Fourth Proportional to 39,438.60, 59,122.64 and 14,472.86

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Solution

The fourth proportional to 39,438.60, 59,122.64 and 14,472.86 is: 21,696.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,438.60 : 59,122.64 = 14,472.86 : x
  2. Step 2: Convert to fraction form
    39,438.60/59,122.64 = 14,472.86/x
  3. Step 3: Cross multiply
    39,438.60x = 59,122.64 × 14,472.86
  4. Step 4: Simplify right side
    39,438.60x = 855,673,691.55
  5. Step 5: Solve for x
    x = 855,673,691.55/39,438.60
  6. Step 6: Final answer
    x = 21,696.35

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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.