Home / 48,278.97-66,563.37-31,253.18

Finding the Fourth Proportional to 48,278.97, 66,563.37 and 31,253.18

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Solution

The fourth proportional to 48,278.97, 66,563.37 and 31,253.18 is: 43,089.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,278.97 : 66,563.37 = 31,253.18 : x
  2. Step 2: Convert to fraction form
    48,278.97/66,563.37 = 31,253.18/x
  3. Step 3: Cross multiply
    48,278.97x = 66,563.37 × 31,253.18
  4. Step 4: Simplify right side
    48,278.97x = 2,080,316,651.20
  5. Step 5: Solve for x
    x = 2,080,316,651.20/48,278.97
  6. Step 6: Final answer
    x = 43,089.50

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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.