Home / 31,937.15-44,073.27-18,516.20

Finding the Fourth Proportional to 31,937.15, 44,073.27 and 18,516.20

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Solution

The fourth proportional to 31,937.15, 44,073.27 and 18,516.20 is: 25,552.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,937.15 : 44,073.27 = 18,516.20 : x
  2. Step 2: Convert to fraction form
    31,937.15/44,073.27 = 18,516.20/x
  3. Step 3: Cross multiply
    31,937.15x = 44,073.27 × 18,516.20
  4. Step 4: Simplify right side
    31,937.15x = 816,069,313.68
  5. Step 5: Solve for x
    x = 816,069,313.68/31,937.15
  6. Step 6: Final answer
    x = 25,552.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.