Home / 42,257.68-63,382.74-12,682.12

Finding the Fourth Proportional to 42,257.68, 63,382.74 and 12,682.12

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Solution

The fourth proportional to 42,257.68, 63,382.74 and 12,682.12 is: 19,022.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,257.68 : 63,382.74 = 12,682.12 : x
  2. Step 2: Convert to fraction form
    42,257.68/63,382.74 = 12,682.12/x
  3. Step 3: Cross multiply
    42,257.68x = 63,382.74 × 12,682.12
  4. Step 4: Simplify right side
    42,257.68x = 803,827,514.61
  5. Step 5: Solve for x
    x = 803,827,514.61/42,257.68
  6. Step 6: Final answer
    x = 19,022.05

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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.