Home / 42,145.14-63,217.64-12,562.22

Finding the Fourth Proportional to 42,145.14, 63,217.64 and 12,562.22

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Solution

The fourth proportional to 42,145.14, 63,217.64 and 12,562.22 is: 18,843.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,145.14 : 63,217.64 = 12,562.22 : x
  2. Step 2: Convert to fraction form
    42,145.14/63,217.64 = 12,562.22/x
  3. Step 3: Cross multiply
    42,145.14x = 63,217.64 × 12,562.22
  4. Step 4: Simplify right side
    42,145.14x = 794,153,901.56
  5. Step 5: Solve for x
    x = 794,153,901.56/42,145.14
  6. Step 6: Final answer
    x = 18,843.31

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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.