Home / 63,380.39-87,524.20-40,758.66

Finding the Fourth Proportional to 63,380.39, 87,524.20 and 40,758.66

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Solution

The fourth proportional to 63,380.39, 87,524.20 and 40,758.66 is: 56,285.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,380.39 : 87,524.20 = 40,758.66 : x
  2. Step 2: Convert to fraction form
    63,380.39/87,524.20 = 40,758.66/x
  3. Step 3: Cross multiply
    63,380.39x = 87,524.20 × 40,758.66
  4. Step 4: Simplify right side
    63,380.39x = 3,567,369,430.28
  5. Step 5: Solve for x
    x = 3,567,369,430.28/63,380.39
  6. Step 6: Final answer
    x = 56,285.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.