Home / 37,140.52-55,728.96-18,422.32

Finding the Fourth Proportional to 37,140.52, 55,728.96 and 18,422.32

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Solution

The fourth proportional to 37,140.52, 55,728.96 and 18,422.32 is: 27,642.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,140.52 : 55,728.96 = 18,422.32 : x
  2. Step 2: Convert to fraction form
    37,140.52/55,728.96 = 18,422.32/x
  3. Step 3: Cross multiply
    37,140.52x = 55,728.96 × 18,422.32
  4. Step 4: Simplify right side
    37,140.52x = 1,026,656,734.39
  5. Step 5: Solve for x
    x = 1,026,656,734.39/37,140.52
  6. Step 6: Final answer
    x = 27,642.50

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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.