Home / 55,842.30-77,062.68-30,348.90

Finding the Fourth Proportional to 55,842.30, 77,062.68 and 30,348.90

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Solution

The fourth proportional to 55,842.30, 77,062.68 and 30,348.90 is: 41,881.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,842.30 : 77,062.68 = 30,348.90 : x
  2. Step 2: Convert to fraction form
    55,842.30/77,062.68 = 30,348.90/x
  3. Step 3: Cross multiply
    55,842.30x = 77,062.68 × 30,348.90
  4. Step 4: Simplify right side
    55,842.30x = 2,338,767,569.05
  5. Step 5: Solve for x
    x = 2,338,767,569.05/55,842.30
  6. Step 6: Final answer
    x = 41,881.65

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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.