Home / 63,380.51-87,524.38-40,758.79

Finding the Fourth Proportional to 63,380.51, 87,524.38 and 40,758.79

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Solution

The fourth proportional to 63,380.51, 87,524.38 and 40,758.79 is: 56,285.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,380.51 : 87,524.38 = 40,758.79 : x
  2. Step 2: Convert to fraction form
    63,380.51/87,524.38 = 40,758.79/x
  3. Step 3: Cross multiply
    63,380.51x = 87,524.38 × 40,758.79
  4. Step 4: Simplify right side
    63,380.51x = 3,567,387,401.70
  5. Step 5: Solve for x
    x = 3,567,387,401.70/63,380.51
  6. Step 6: Final answer
    x = 56,285.24

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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.