Home / 42,448.80-63,673.20-38,512.20

Finding the Fourth Proportional to 42,448.80, 63,673.20 and 38,512.20

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Solution

The fourth proportional to 42,448.80, 63,673.20 and 38,512.20 is: 57,768.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,448.80 : 63,673.20 = 38,512.20 : x
  2. Step 2: Convert to fraction form
    42,448.80/63,673.20 = 38,512.20/x
  3. Step 3: Cross multiply
    42,448.80x = 63,673.20 × 38,512.20
  4. Step 4: Simplify right side
    42,448.80x = 2,452,195,013.04
  5. Step 5: Solve for x
    x = 2,452,195,013.04/42,448.80
  6. Step 6: Final answer
    x = 57,768.30

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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.