Home / 45,661.12-63,012.16-25,517.99

Finding the Fourth Proportional to 45,661.12, 63,012.16 and 25,517.99

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Solution

The fourth proportional to 45,661.12, 63,012.16 and 25,517.99 is: 35,214.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,661.12 : 63,012.16 = 25,517.99 : x
  2. Step 2: Convert to fraction form
    45,661.12/63,012.16 = 25,517.99/x
  3. Step 3: Cross multiply
    45,661.12x = 63,012.16 × 25,517.99
  4. Step 4: Simplify right side
    45,661.12x = 1,607,943,668.76
  5. Step 5: Solve for x
    x = 1,607,943,668.76/45,661.12
  6. Step 6: Final answer
    x = 35,214.72

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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.