Home / 38,372.85-52,956.18-21,377.12

Finding the Fourth Proportional to 38,372.85, 52,956.18 and 21,377.12

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Solution

The fourth proportional to 38,372.85, 52,956.18 and 21,377.12 is: 29,501.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,372.85 : 52,956.18 = 21,377.12 : x
  2. Step 2: Convert to fraction form
    38,372.85/52,956.18 = 21,377.12/x
  3. Step 3: Cross multiply
    38,372.85x = 52,956.18 × 21,377.12
  4. Step 4: Simplify right side
    38,372.85x = 1,132,050,349.82
  5. Step 5: Solve for x
    x = 1,132,050,349.82/38,372.85
  6. Step 6: Final answer
    x = 29,501.34

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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.