Home / 36,440.40-54,650.04-15,385.13

Finding the Fourth Proportional to 36,440.40, 54,650.04 and 15,385.13

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Solution

The fourth proportional to 36,440.40, 54,650.04 and 15,385.13 is: 23,073.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,440.40 : 54,650.04 = 15,385.13 : x
  2. Step 2: Convert to fraction form
    36,440.40/54,650.04 = 15,385.13/x
  3. Step 3: Cross multiply
    36,440.40x = 54,650.04 × 15,385.13
  4. Step 4: Simplify right side
    36,440.40x = 840,797,969.91
  5. Step 5: Solve for x
    x = 840,797,969.91/36,440.40
  6. Step 6: Final answer
    x = 23,073.24

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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.