Home / 48,373.28-66,756.88-28,243.04

Finding the Fourth Proportional to 48,373.28, 66,756.88 and 28,243.04

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Solution

The fourth proportional to 48,373.28, 66,756.88 and 28,243.04 is: 38,976.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,373.28 : 66,756.88 = 28,243.04 : x
  2. Step 2: Convert to fraction form
    48,373.28/66,756.88 = 28,243.04/x
  3. Step 3: Cross multiply
    48,373.28x = 66,756.88 × 28,243.04
  4. Step 4: Simplify right side
    48,373.28x = 1,885,417,232.12
  5. Step 5: Solve for x
    x = 1,885,417,232.12/48,373.28
  6. Step 6: Final answer
    x = 38,976.42

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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.