Home / 50,387.12-75,570.56-47,889.20

Finding the Fourth Proportional to 50,387.12, 75,570.56 and 47,889.20

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Solution

The fourth proportional to 50,387.12, 75,570.56 and 47,889.20 is: 71,824.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,387.12 : 75,570.56 = 47,889.20 : x
  2. Step 2: Convert to fraction form
    50,387.12/75,570.56 = 47,889.20/x
  3. Step 3: Cross multiply
    50,387.12x = 75,570.56 × 47,889.20
  4. Step 4: Simplify right side
    50,387.12x = 3,619,013,661.95
  5. Step 5: Solve for x
    x = 3,619,013,661.95/50,387.12
  6. Step 6: Final answer
    x = 71,824.18

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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.