Home / 36,439.40-54,648.54-15,384.13

Finding the Fourth Proportional to 36,439.40, 54,648.54 and 15,384.13

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Solution

The fourth proportional to 36,439.40, 54,648.54 and 15,384.13 is: 23,071.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,439.40 : 54,648.54 = 15,384.13 : x
  2. Step 2: Convert to fraction form
    36,439.40/54,648.54 = 15,384.13/x
  3. Step 3: Cross multiply
    36,439.40x = 54,648.54 × 15,384.13
  4. Step 4: Simplify right side
    36,439.40x = 840,720,107.05
  5. Step 5: Solve for x
    x = 840,720,107.05/36,439.40
  6. Step 6: Final answer
    x = 23,071.73

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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.