Home / 42,668.52-63,997.14-12,682.14

Finding the Fourth Proportional to 42,668.52, 63,997.14 and 12,682.14

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Solution

The fourth proportional to 42,668.52, 63,997.14 and 12,682.14 is: 19,021.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,668.52 : 63,997.14 = 12,682.14 : x
  2. Step 2: Convert to fraction form
    42,668.52/63,997.14 = 12,682.14/x
  3. Step 3: Cross multiply
    42,668.52x = 63,997.14 × 12,682.14
  4. Step 4: Simplify right side
    42,668.52x = 811,620,689.08
  5. Step 5: Solve for x
    x = 811,620,689.08/42,668.52
  6. Step 6: Final answer
    x = 19,021.53

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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.