Home / 63,542.12-87,684.90-35,247.20

Finding the Fourth Proportional to 63,542.12, 87,684.90 and 35,247.20

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Solution

The fourth proportional to 63,542.12, 87,684.90 and 35,247.20 is: 48,639.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,542.12 : 87,684.90 = 35,247.20 : x
  2. Step 2: Convert to fraction form
    63,542.12/87,684.90 = 35,247.20/x
  3. Step 3: Cross multiply
    63,542.12x = 87,684.90 × 35,247.20
  4. Step 4: Simplify right side
    63,542.12x = 3,090,647,207.28
  5. Step 5: Solve for x
    x = 3,090,647,207.28/63,542.12
  6. Step 6: Final answer
    x = 48,639.35

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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.