Home / 32,708.24-45,143.28-19,278.72

Finding the Fourth Proportional to 32,708.24, 45,143.28 and 19,278.72

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Solution

The fourth proportional to 32,708.24, 45,143.28 and 19,278.72 is: 26,608.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,708.24 : 45,143.28 = 19,278.72 : x
  2. Step 2: Convert to fraction form
    32,708.24/45,143.28 = 19,278.72/x
  3. Step 3: Cross multiply
    32,708.24x = 45,143.28 × 19,278.72
  4. Step 4: Simplify right side
    32,708.24x = 870,304,655.00
  5. Step 5: Solve for x
    x = 870,304,655.00/32,708.24
  6. Step 6: Final answer
    x = 26,608.12

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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.