Home / 54,819.06-75,646.08-30,948.09

Finding the Fourth Proportional to 54,819.06, 75,646.08 and 30,948.09

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Solution

The fourth proportional to 54,819.06, 75,646.08 and 30,948.09 is: 42,705.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,819.06 : 75,646.08 = 30,948.09 : x
  2. Step 2: Convert to fraction form
    54,819.06/75,646.08 = 30,948.09/x
  3. Step 3: Cross multiply
    54,819.06x = 75,646.08 × 30,948.09
  4. Step 4: Simplify right side
    54,819.06x = 2,341,101,691.99
  5. Step 5: Solve for x
    x = 2,341,101,691.99/54,819.06
  6. Step 6: Final answer
    x = 42,705.98

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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.