Home / 63,387.22-87,533.63-40,765.49

Finding the Fourth Proportional to 63,387.22, 87,533.63 and 40,765.49

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Solution

The fourth proportional to 63,387.22, 87,533.63 and 40,765.49 is: 56,294.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,387.22 : 87,533.63 = 40,765.49 : x
  2. Step 2: Convert to fraction form
    63,387.22/87,533.63 = 40,765.49/x
  3. Step 3: Cross multiply
    63,387.22x = 87,533.63 × 40,765.49
  4. Step 4: Simplify right side
    63,387.22x = 3,568,351,318.43
  5. Step 5: Solve for x
    x = 3,568,351,318.43/63,387.22
  6. Step 6: Final answer
    x = 56,294.49

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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.