Home / 31,564.60-47,346.90-17,711.80

Finding the Fourth Proportional to 31,564.60, 47,346.90 and 17,711.80

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Solution

The fourth proportional to 31,564.60, 47,346.90 and 17,711.80 is: 26,567.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,564.60 : 47,346.90 = 17,711.80 : x
  2. Step 2: Convert to fraction form
    31,564.60/47,346.90 = 17,711.80/x
  3. Step 3: Cross multiply
    31,564.60x = 47,346.90 × 17,711.80
  4. Step 4: Simplify right side
    31,564.60x = 838,598,823.42
  5. Step 5: Solve for x
    x = 838,598,823.42/31,564.60
  6. Step 6: Final answer
    x = 26,567.70

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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.