Home / 55,023.70-75,934.55-30,825.71

Finding the Fourth Proportional to 55,023.70, 75,934.55 and 30,825.71

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Solution

The fourth proportional to 55,023.70, 75,934.55 and 30,825.71 is: 42,540.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,023.70 : 75,934.55 = 30,825.71 : x
  2. Step 2: Convert to fraction form
    55,023.70/75,934.55 = 30,825.71/x
  3. Step 3: Cross multiply
    55,023.70x = 75,934.55 × 30,825.71
  4. Step 4: Simplify right side
    55,023.70x = 2,340,736,263.15
  5. Step 5: Solve for x
    x = 2,340,736,263.15/55,023.70
  6. Step 6: Final answer
    x = 42,540.51

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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.