Home / 54,392.74-75,069.45-30,520.82

Finding the Fourth Proportional to 54,392.74, 75,069.45 and 30,520.82

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Solution

The fourth proportional to 54,392.74, 75,069.45 and 30,520.82 is: 42,122.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,392.74 : 75,069.45 = 30,520.82 : x
  2. Step 2: Convert to fraction form
    54,392.74/75,069.45 = 30,520.82/x
  3. Step 3: Cross multiply
    54,392.74x = 75,069.45 × 30,520.82
  4. Step 4: Simplify right side
    54,392.74x = 2,291,181,358.62
  5. Step 5: Solve for x
    x = 2,291,181,358.62/54,392.74
  6. Step 6: Final answer
    x = 42,122.93

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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.