Home / 42,422.99-63,634.71-14,343.23

Finding the Fourth Proportional to 42,422.99, 63,634.71 and 14,343.23

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Solution

The fourth proportional to 42,422.99, 63,634.71 and 14,343.23 is: 21,514.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,422.99 : 63,634.71 = 14,343.23 : x
  2. Step 2: Convert to fraction form
    42,422.99/63,634.71 = 14,343.23/x
  3. Step 3: Cross multiply
    42,422.99x = 63,634.71 × 14,343.23
  4. Step 4: Simplify right side
    42,422.99x = 912,727,136.44
  5. Step 5: Solve for x
    x = 912,727,136.44/42,422.99
  6. Step 6: Final answer
    x = 21,514.92

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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.