Home / 31,612.54-47,402.94-10,545.22

Finding the Fourth Proportional to 31,612.54, 47,402.94 and 10,545.22

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Solution

The fourth proportional to 31,612.54, 47,402.94 and 10,545.22 is: 15,812.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,612.54 : 47,402.94 = 10,545.22 : x
  2. Step 2: Convert to fraction form
    31,612.54/47,402.94 = 10,545.22/x
  3. Step 3: Cross multiply
    31,612.54x = 47,402.94 × 10,545.22
  4. Step 4: Simplify right side
    31,612.54x = 499,874,430.95
  5. Step 5: Solve for x
    x = 499,874,430.95/31,612.54
  6. Step 6: Final answer
    x = 15,812.54

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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.