Home / 54,430.79-75,122.24-30,559.07

Finding the Fourth Proportional to 54,430.79, 75,122.24 and 30,559.07

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Solution

The fourth proportional to 54,430.79, 75,122.24 and 30,559.07 is: 42,175.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,430.79 : 75,122.24 = 30,559.07 : x
  2. Step 2: Convert to fraction form
    54,430.79/75,122.24 = 30,559.07/x
  3. Step 3: Cross multiply
    54,430.79x = 75,122.24 × 30,559.07
  4. Step 4: Simplify right side
    54,430.79x = 2,295,665,825.73
  5. Step 5: Solve for x
    x = 2,295,665,825.73/54,430.79
  6. Step 6: Final answer
    x = 42,175.87

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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.