Home / 42,218.06-63,335.25-12,633.35

Finding the Fourth Proportional to 42,218.06, 63,335.25 and 12,633.35

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Solution

The fourth proportional to 42,218.06, 63,335.25 and 12,633.35 is: 18,952.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,218.06 : 63,335.25 = 12,633.35 : x
  2. Step 2: Convert to fraction form
    42,218.06/63,335.25 = 12,633.35/x
  3. Step 3: Cross multiply
    42,218.06x = 63,335.25 × 12,633.35
  4. Step 4: Simplify right side
    42,218.06x = 800,136,380.59
  5. Step 5: Solve for x
    x = 800,136,380.59/42,218.06
  6. Step 6: Final answer
    x = 18,952.47

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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.