Home / 42,276.18-63,414.27-10,686.33

Finding the Fourth Proportional to 42,276.18, 63,414.27 and 10,686.33

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Solution

The fourth proportional to 42,276.18, 63,414.27 and 10,686.33 is: 16,029.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,276.18 : 63,414.27 = 10,686.33 : x
  2. Step 2: Convert to fraction form
    42,276.18/63,414.27 = 10,686.33/x
  3. Step 3: Cross multiply
    42,276.18x = 63,414.27 × 10,686.33
  4. Step 4: Simplify right side
    42,276.18x = 677,665,815.93
  5. Step 5: Solve for x
    x = 677,665,815.93/42,276.18
  6. Step 6: Final answer
    x = 16,029.50

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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.