Home / 38,737.52-58,111.68-12,450.32

Finding the Fourth Proportional to 38,737.52, 58,111.68 and 12,450.32

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Solution

The fourth proportional to 38,737.52, 58,111.68 and 12,450.32 is: 18,677.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,737.52 : 58,111.68 = 12,450.32 : x
  2. Step 2: Convert to fraction form
    38,737.52/58,111.68 = 12,450.32/x
  3. Step 3: Cross multiply
    38,737.52x = 58,111.68 × 12,450.32
  4. Step 4: Simplify right side
    38,737.52x = 723,509,011.74
  5. Step 5: Solve for x
    x = 723,509,011.74/38,737.52
  6. Step 6: Final answer
    x = 18,677.22

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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.