Home / 54,547.20-75,279.54-30,672.48

Finding the Fourth Proportional to 54,547.20, 75,279.54 and 30,672.48

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Solution

The fourth proportional to 54,547.20, 75,279.54 and 30,672.48 is: 42,330.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,547.20 : 75,279.54 = 30,672.48 : x
  2. Step 2: Convert to fraction form
    54,547.20/75,279.54 = 30,672.48/x
  3. Step 3: Cross multiply
    54,547.20x = 75,279.54 × 30,672.48
  4. Step 4: Simplify right side
    54,547.20x = 2,309,010,185.06
  5. Step 5: Solve for x
    x = 2,309,010,185.06/54,547.20
  6. Step 6: Final answer
    x = 42,330.50

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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.