Home / 38,856.82-58,283.85-12,560.88

Finding the Fourth Proportional to 38,856.82, 58,283.85 and 12,560.88

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Solution

The fourth proportional to 38,856.82, 58,283.85 and 12,560.88 is: 18,840.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,856.82 : 58,283.85 = 12,560.88 : x
  2. Step 2: Convert to fraction form
    38,856.82/58,283.85 = 12,560.88/x
  3. Step 3: Cross multiply
    38,856.82x = 58,283.85 × 12,560.88
  4. Step 4: Simplify right side
    38,856.82x = 732,096,445.79
  5. Step 5: Solve for x
    x = 732,096,445.79/38,856.82
  6. Step 6: Final answer
    x = 18,840.87

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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.