Home / 43,370.08-65,055.12-13,787.92

Finding the Fourth Proportional to 43,370.08, 65,055.12 and 13,787.92

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Solution

The fourth proportional to 43,370.08, 65,055.12 and 13,787.92 is: 20,681.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,370.08 : 65,055.12 = 13,787.92 : x
  2. Step 2: Convert to fraction form
    43,370.08/65,055.12 = 13,787.92/x
  3. Step 3: Cross multiply
    43,370.08x = 65,055.12 × 13,787.92
  4. Step 4: Simplify right side
    43,370.08x = 896,974,790.15
  5. Step 5: Solve for x
    x = 896,974,790.15/43,370.08
  6. Step 6: Final answer
    x = 20,681.88

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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.