Home / 38,856.32-58,283.10-12,560.38

Finding the Fourth Proportional to 38,856.32, 58,283.10 and 12,560.38

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Solution

The fourth proportional to 38,856.32, 58,283.10 and 12,560.38 is: 18,840.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,856.32 : 58,283.10 = 12,560.38 : x
  2. Step 2: Convert to fraction form
    38,856.32/58,283.10 = 12,560.38/x
  3. Step 3: Cross multiply
    38,856.32x = 58,283.10 × 12,560.38
  4. Step 4: Simplify right side
    38,856.32x = 732,057,883.58
  5. Step 5: Solve for x
    x = 732,057,883.58/38,856.32
  6. Step 6: Final answer
    x = 18,840.12

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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.