Home / 42,226.17-63,335.58-12,650.64

Finding the Fourth Proportional to 42,226.17, 63,335.58 and 12,650.64

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Solution

The fourth proportional to 42,226.17, 63,335.58 and 12,650.64 is: 18,974.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,226.17 : 63,335.58 = 12,650.64 : x
  2. Step 2: Convert to fraction form
    42,226.17/63,335.58 = 12,650.64/x
  3. Step 3: Cross multiply
    42,226.17x = 63,335.58 × 12,650.64
  4. Step 4: Simplify right side
    42,226.17x = 801,235,621.77
  5. Step 5: Solve for x
    x = 801,235,621.77/42,226.17
  6. Step 6: Final answer
    x = 18,974.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.