Home / 63,288.12-87,331.10-36,425.40

Finding the Fourth Proportional to 63,288.12, 87,331.10 and 36,425.40

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Solution

The fourth proportional to 63,288.12, 87,331.10 and 36,425.40 is: 50,263.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,288.12 : 87,331.10 = 36,425.40 : x
  2. Step 2: Convert to fraction form
    63,288.12/87,331.10 = 36,425.40/x
  3. Step 3: Cross multiply
    63,288.12x = 87,331.10 × 36,425.40
  4. Step 4: Simplify right side
    63,288.12x = 3,181,070,249.94
  5. Step 5: Solve for x
    x = 3,181,070,249.94/63,288.12
  6. Step 6: Final answer
    x = 50,263.31

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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.