Home / 38,374.85-52,961.17-21,381.86

Finding the Fourth Proportional to 38,374.85, 52,961.17 and 21,381.86

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Solution

The fourth proportional to 38,374.85, 52,961.17 and 21,381.86 is: 29,509.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,374.85 : 52,961.17 = 21,381.86 : x
  2. Step 2: Convert to fraction form
    38,374.85/52,961.17 = 21,381.86/x
  3. Step 3: Cross multiply
    38,374.85x = 52,961.17 × 21,381.86
  4. Step 4: Simplify right side
    38,374.85x = 1,132,408,322.38
  5. Step 5: Solve for x
    x = 1,132,408,322.38/38,374.85
  6. Step 6: Final answer
    x = 29,509.13

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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.