Home / 36,288.55-54,400.02-12,909.52

Finding the Fourth Proportional to 36,288.55, 54,400.02 and 12,909.52

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Solution

The fourth proportional to 36,288.55, 54,400.02 and 12,909.52 is: 19,352.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,288.55 : 54,400.02 = 12,909.52 : x
  2. Step 2: Convert to fraction form
    36,288.55/54,400.02 = 12,909.52/x
  3. Step 3: Cross multiply
    36,288.55x = 54,400.02 × 12,909.52
  4. Step 4: Simplify right side
    36,288.55x = 702,278,146.19
  5. Step 5: Solve for x
    x = 702,278,146.19/36,288.55
  6. Step 6: Final answer
    x = 19,352.61

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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.