Home / 31,597.28-47,404.78-13,829.49

Finding the Fourth Proportional to 31,597.28, 47,404.78 and 13,829.49

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Solution

The fourth proportional to 31,597.28, 47,404.78 and 13,829.49 is: 20,748.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,597.28 : 47,404.78 = 13,829.49 : x
  2. Step 2: Convert to fraction form
    31,597.28/47,404.78 = 13,829.49/x
  3. Step 3: Cross multiply
    31,597.28x = 47,404.78 × 13,829.49
  4. Step 4: Simplify right side
    31,597.28x = 655,583,930.96
  5. Step 5: Solve for x
    x = 655,583,930.96/31,597.28
  6. Step 6: Final answer
    x = 20,748.11

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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.