Home / 31,770.40-47,629.18-24,781.38

Finding the Fourth Proportional to 31,770.40, 47,629.18 and 24,781.38

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Solution

The fourth proportional to 31,770.40, 47,629.18 and 24,781.38 is: 37,151.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,770.40 : 47,629.18 = 24,781.38 : x
  2. Step 2: Convert to fraction form
    31,770.40/47,629.18 = 24,781.38/x
  3. Step 3: Cross multiply
    31,770.40x = 47,629.18 × 24,781.38
  4. Step 4: Simplify right side
    31,770.40x = 1,180,316,808.67
  5. Step 5: Solve for x
    x = 1,180,316,808.67/31,770.40
  6. Step 6: Final answer
    x = 37,151.46

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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.