Home / 54,559.72-75,291.67-30,686.38

Finding the Fourth Proportional to 54,559.72, 75,291.67 and 30,686.38

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Solution

The fourth proportional to 54,559.72, 75,291.67 and 30,686.38 is: 42,346.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,559.72 : 75,291.67 = 30,686.38 : x
  2. Step 2: Convert to fraction form
    54,559.72/75,291.67 = 30,686.38/x
  3. Step 3: Cross multiply
    54,559.72x = 75,291.67 × 30,686.38
  4. Step 4: Simplify right side
    54,559.72x = 2,310,428,643.02
  5. Step 5: Solve for x
    x = 2,310,428,643.02/54,559.72
  6. Step 6: Final answer
    x = 42,346.79

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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.