Home / 54,357.27-75,013.65-30,158.68

Finding the Fourth Proportional to 54,357.27, 75,013.65 and 30,158.68

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Solution

The fourth proportional to 54,357.27, 75,013.65 and 30,158.68 is: 41,619.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,357.27 : 75,013.65 = 30,158.68 : x
  2. Step 2: Convert to fraction form
    54,357.27/75,013.65 = 30,158.68/x
  3. Step 3: Cross multiply
    54,357.27x = 75,013.65 × 30,158.68
  4. Step 4: Simplify right side
    54,357.27x = 2,262,312,140.12
  5. Step 5: Solve for x
    x = 2,262,312,140.12/54,357.27
  6. Step 6: Final answer
    x = 41,619.32

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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.