Home / 38,965.70-58,411.56-12,652.04

Finding the Fourth Proportional to 38,965.70, 58,411.56 and 12,652.04

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Solution

The fourth proportional to 38,965.70, 58,411.56 and 12,652.04 is: 18,966.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,965.70 : 58,411.56 = 12,652.04 : x
  2. Step 2: Convert to fraction form
    38,965.70/58,411.56 = 12,652.04/x
  3. Step 3: Cross multiply
    38,965.70x = 58,411.56 × 12,652.04
  4. Step 4: Simplify right side
    38,965.70x = 739,025,393.58
  5. Step 5: Solve for x
    x = 739,025,393.58/38,965.70
  6. Step 6: Final answer
    x = 18,966.05

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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.