Home / 55,819.34-77,030.42-30,325.53

Finding the Fourth Proportional to 55,819.34, 77,030.42 and 30,325.53

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Solution

The fourth proportional to 55,819.34, 77,030.42 and 30,325.53 is: 41,849.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,819.34 : 77,030.42 = 30,325.53 : x
  2. Step 2: Convert to fraction form
    55,819.34/77,030.42 = 30,325.53/x
  3. Step 3: Cross multiply
    55,819.34x = 77,030.42 × 30,325.53
  4. Step 4: Simplify right side
    55,819.34x = 2,335,988,160.99
  5. Step 5: Solve for x
    x = 2,335,988,160.99/55,819.34
  6. Step 6: Final answer
    x = 41,849.09

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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.