Home / 55,827.56-77,041.92-30,677

Finding the Fourth Proportional to 55,827.56, 77,041.92 and 30,677

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Solution

The fourth proportional to 55,827.56, 77,041.92 and 30,677 is: 42,334.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,827.56 : 77,041.92 = 30,677 : x
  2. Step 2: Convert to fraction form
    55,827.56/77,041.92 = 30,677/x
  3. Step 3: Cross multiply
    55,827.56x = 77,041.92 × 30,677
  4. Step 4: Simplify right side
    55,827.56x = 2,363,414,979.84
  5. Step 5: Solve for x
    x = 2,363,414,979.84/55,827.56
  6. Step 6: Final answer
    x = 42,334.20

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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.