Home / 36,355.30-54,510.62-14,142.78

Finding the Fourth Proportional to 36,355.30, 54,510.62 and 14,142.78

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Solution

The fourth proportional to 36,355.30, 54,510.62 and 14,142.78 is: 21,205.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,355.30 : 54,510.62 = 14,142.78 : x
  2. Step 2: Convert to fraction form
    36,355.30/54,510.62 = 14,142.78/x
  3. Step 3: Cross multiply
    36,355.30x = 54,510.62 × 14,142.78
  4. Step 4: Simplify right side
    36,355.30x = 770,931,635.61
  5. Step 5: Solve for x
    x = 770,931,635.61/36,355.30
  6. Step 6: Final answer
    x = 21,205.48

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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.