Home / 38,737.08-58,100.10-12,438.42

Finding the Fourth Proportional to 38,737.08, 58,100.10 and 12,438.42

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Solution

The fourth proportional to 38,737.08, 58,100.10 and 12,438.42 is: 18,655.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,737.08 : 58,100.10 = 12,438.42 : x
  2. Step 2: Convert to fraction form
    38,737.08/58,100.10 = 12,438.42/x
  3. Step 3: Cross multiply
    38,737.08x = 58,100.10 × 12,438.42
  4. Step 4: Simplify right side
    38,737.08x = 722,673,445.84
  5. Step 5: Solve for x
    x = 722,673,445.84/38,737.08
  6. Step 6: Final answer
    x = 18,655.86

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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.