Home / 31,937.10-47,876.12-16,320.30

Finding the Fourth Proportional to 31,937.10, 47,876.12 and 16,320.30

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Solution

The fourth proportional to 31,937.10, 47,876.12 and 16,320.30 is: 24,465.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,937.10 : 47,876.12 = 16,320.30 : x
  2. Step 2: Convert to fraction form
    31,937.10/47,876.12 = 16,320.30/x
  3. Step 3: Cross multiply
    31,937.10x = 47,876.12 × 16,320.30
  4. Step 4: Simplify right side
    31,937.10x = 781,352,641.24
  5. Step 5: Solve for x
    x = 781,352,641.24/31,937.10
  6. Step 6: Final answer
    x = 24,465.36

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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.