Home / 31,258.98-46,892.12-12,545.55

Finding the Fourth Proportional to 31,258.98, 46,892.12 and 12,545.55

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Solution

The fourth proportional to 31,258.98, 46,892.12 and 12,545.55 is: 18,819.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,258.98 : 46,892.12 = 12,545.55 : x
  2. Step 2: Convert to fraction form
    31,258.98/46,892.12 = 12,545.55/x
  3. Step 3: Cross multiply
    31,258.98x = 46,892.12 × 12,545.55
  4. Step 4: Simplify right side
    31,258.98x = 588,287,373.34
  5. Step 5: Solve for x
    x = 588,287,373.34/31,258.98
  6. Step 6: Final answer
    x = 18,819.79

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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.