Home / 48,215.66-66,543.92-28,072.88

Finding the Fourth Proportional to 48,215.66, 66,543.92 and 28,072.88

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Solution

The fourth proportional to 48,215.66, 66,543.92 and 28,072.88 is: 38,744.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,215.66 : 66,543.92 = 28,072.88 : x
  2. Step 2: Convert to fraction form
    48,215.66/66,543.92 = 28,072.88/x
  3. Step 3: Cross multiply
    48,215.66x = 66,543.92 × 28,072.88
  4. Step 4: Simplify right side
    48,215.66x = 1,868,079,323.14
  5. Step 5: Solve for x
    x = 1,868,079,323.14/48,215.66
  6. Step 6: Final answer
    x = 38,744.24

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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.