Home / 55,023.95-75,934.89-30,825.96

Finding the Fourth Proportional to 55,023.95, 75,934.89 and 30,825.96

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Solution

The fourth proportional to 55,023.95, 75,934.89 and 30,825.96 is: 42,540.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,023.95 : 75,934.89 = 30,825.96 : x
  2. Step 2: Convert to fraction form
    55,023.95/75,934.89 = 30,825.96/x
  3. Step 3: Cross multiply
    55,023.95x = 75,934.89 × 30,825.96
  4. Step 4: Simplify right side
    55,023.95x = 2,340,765,881.74
  5. Step 5: Solve for x
    x = 2,340,765,881.74/55,023.95
  6. Step 6: Final answer
    x = 42,540.85

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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.