Home / 29,439.90-44,121.45-13,643.10

Finding the Fourth Proportional to 29,439.90, 44,121.45 and 13,643.10

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Solution

The fourth proportional to 29,439.90, 44,121.45 and 13,643.10 is: 20,446.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,439.90 : 44,121.45 = 13,643.10 : x
  2. Step 2: Convert to fraction form
    29,439.90/44,121.45 = 13,643.10/x
  3. Step 3: Cross multiply
    29,439.90x = 44,121.45 × 13,643.10
  4. Step 4: Simplify right side
    29,439.90x = 601,953,354.50
  5. Step 5: Solve for x
    x = 601,953,354.50/29,439.90
  6. Step 6: Final answer
    x = 20,446.85

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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.