Home / 55,916.40-77,162.94-30,765.84

Finding the Fourth Proportional to 55,916.40, 77,162.94 and 30,765.84

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Solution

The fourth proportional to 55,916.40, 77,162.94 and 30,765.84 is: 42,455.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,916.40 : 77,162.94 = 30,765.84 : x
  2. Step 2: Convert to fraction form
    55,916.40/77,162.94 = 30,765.84/x
  3. Step 3: Cross multiply
    55,916.40x = 77,162.94 × 30,765.84
  4. Step 4: Simplify right side
    55,916.40x = 2,373,982,665.97
  5. Step 5: Solve for x
    x = 2,373,982,665.97/55,916.40
  6. Step 6: Final answer
    x = 42,455.93

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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.