Home / 48,522-66,966.84-31,764.72

Finding the Fourth Proportional to 48,522, 66,966.84 and 31,764.72

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Solution

The fourth proportional to 48,522, 66,966.84 and 31,764.72 is: 43,839.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,522 : 66,966.84 = 31,764.72 : x
  2. Step 2: Convert to fraction form
    48,522/66,966.84 = 31,764.72/x
  3. Step 3: Cross multiply
    48,522x = 66,966.84 × 31,764.72
  4. Step 4: Simplify right side
    48,522x = 2,127,182,921.88
  5. Step 5: Solve for x
    x = 2,127,182,921.88/48,522
  6. Step 6: Final answer
    x = 43,839.56

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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.