Home / 38,920.68-58,381.08-12,627.48

Finding the Fourth Proportional to 38,920.68, 58,381.08 and 12,627.48

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Solution

The fourth proportional to 38,920.68, 58,381.08 and 12,627.48 is: 18,941.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,920.68 : 58,381.08 = 12,627.48 : x
  2. Step 2: Convert to fraction form
    38,920.68/58,381.08 = 12,627.48/x
  3. Step 3: Cross multiply
    38,920.68x = 58,381.08 × 12,627.48
  4. Step 4: Simplify right side
    38,920.68x = 737,205,920.08
  5. Step 5: Solve for x
    x = 737,205,920.08/38,920.68
  6. Step 6: Final answer
    x = 18,941.24

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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.