Home / 45,439.12-68,167.28-15,865.36

Finding the Fourth Proportional to 45,439.12, 68,167.28 and 15,865.36

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Solution

The fourth proportional to 45,439.12, 68,167.28 and 15,865.36 is: 23,801.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,439.12 : 68,167.28 = 15,865.36 : x
  2. Step 2: Convert to fraction form
    45,439.12/68,167.28 = 15,865.36/x
  3. Step 3: Cross multiply
    45,439.12x = 68,167.28 × 15,865.36
  4. Step 4: Simplify right side
    45,439.12x = 1,081,498,437.42
  5. Step 5: Solve for x
    x = 1,081,498,437.42/45,439.12
  6. Step 6: Final answer
    x = 23,801.04

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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.