Home / 31,618.60-47,428.71-14,974.72

Finding the Fourth Proportional to 31,618.60, 47,428.71 and 14,974.72

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Solution

The fourth proportional to 31,618.60, 47,428.71 and 14,974.72 is: 22,462.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,618.60 : 47,428.71 = 14,974.72 : x
  2. Step 2: Convert to fraction form
    31,618.60/47,428.71 = 14,974.72/x
  3. Step 3: Cross multiply
    31,618.60x = 47,428.71 × 14,974.72
  4. Step 4: Simplify right side
    31,618.60x = 710,231,652.21
  5. Step 5: Solve for x
    x = 710,231,652.21/31,618.60
  6. Step 6: Final answer
    x = 22,462.46

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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.