Home / 63,513.20-87,646.68-35,219.12

Finding the Fourth Proportional to 63,513.20, 87,646.68 and 35,219.12

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Solution

The fourth proportional to 63,513.20, 87,646.68 and 35,219.12 is: 48,601.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,513.20 : 87,646.68 = 35,219.12 : x
  2. Step 2: Convert to fraction form
    63,513.20/87,646.68 = 35,219.12/x
  3. Step 3: Cross multiply
    63,513.20x = 87,646.68 × 35,219.12
  4. Step 4: Simplify right side
    63,513.20x = 3,086,838,940.52
  5. Step 5: Solve for x
    x = 3,086,838,940.52/63,513.20
  6. Step 6: Final answer
    x = 48,601.53

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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.