Home / 63,511.20-87,644.16-35,216.28

Finding the Fourth Proportional to 63,511.20, 87,644.16 and 35,216.28

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Solution

The fourth proportional to 63,511.20, 87,644.16 and 35,216.28 is: 48,597.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,511.20 : 87,644.16 = 35,216.28 : x
  2. Step 2: Convert to fraction form
    63,511.20/87,644.16 = 35,216.28/x
  3. Step 3: Cross multiply
    63,511.20x = 87,644.16 × 35,216.28
  4. Step 4: Simplify right side
    63,511.20x = 3,086,501,278.92
  5. Step 5: Solve for x
    x = 3,086,501,278.92/63,511.20
  6. Step 6: Final answer
    x = 48,597.75

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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.