Home / 45,811.07-63,218.17-25,668.80

Finding the Fourth Proportional to 45,811.07, 63,218.17 and 25,668.80

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Solution

The fourth proportional to 45,811.07, 63,218.17 and 25,668.80 is: 35,422.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,811.07 : 63,218.17 = 25,668.80 : x
  2. Step 2: Convert to fraction form
    45,811.07/63,218.17 = 25,668.80/x
  3. Step 3: Cross multiply
    45,811.07x = 63,218.17 × 25,668.80
  4. Step 4: Simplify right side
    45,811.07x = 1,622,734,562.10
  5. Step 5: Solve for x
    x = 1,622,734,562.10/45,811.07
  6. Step 6: Final answer
    x = 35,422.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.