Home / 45,055.28-67,578.60-13,882.16

Finding the Fourth Proportional to 45,055.28, 67,578.60 and 13,882.16

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Solution

The fourth proportional to 45,055.28, 67,578.60 and 13,882.16 is: 20,821.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,055.28 : 67,578.60 = 13,882.16 : x
  2. Step 2: Convert to fraction form
    45,055.28/67,578.60 = 13,882.16/x
  3. Step 3: Cross multiply
    45,055.28x = 67,578.60 × 13,882.16
  4. Step 4: Simplify right side
    45,055.28x = 938,136,937.78
  5. Step 5: Solve for x
    x = 938,136,937.78/45,055.28
  6. Step 6: Final answer
    x = 20,821.91

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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.