Home / 55,332.61-76,359-30,182.11

Finding the Fourth Proportional to 55,332.61, 76,359 and 30,182.11

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Solution

The fourth proportional to 55,332.61, 76,359 and 30,182.11 is: 41,651.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,332.61 : 76,359 = 30,182.11 : x
  2. Step 2: Convert to fraction form
    55,332.61/76,359 = 30,182.11/x
  3. Step 3: Cross multiply
    55,332.61x = 76,359 × 30,182.11
  4. Step 4: Simplify right side
    55,332.61x = 2,304,675,546.59
  5. Step 5: Solve for x
    x = 2,304,675,546.59/55,332.61
  6. Step 6: Final answer
    x = 41,651.31

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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.