Home / 55,677.38-76,836.60-30,526.88

Finding the Fourth Proportional to 55,677.38, 76,836.60 and 30,526.88

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Solution

The fourth proportional to 55,677.38, 76,836.60 and 30,526.88 is: 42,128.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,677.38 : 76,836.60 = 30,526.88 : x
  2. Step 2: Convert to fraction form
    55,677.38/76,836.60 = 30,526.88/x
  3. Step 3: Cross multiply
    55,677.38x = 76,836.60 × 30,526.88
  4. Step 4: Simplify right side
    55,677.38x = 2,345,581,283.63
  5. Step 5: Solve for x
    x = 2,345,581,283.63/55,677.38
  6. Step 6: Final answer
    x = 42,128.09

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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.