Home / 55,827.13-77,041.53-30,333.61

Finding the Fourth Proportional to 55,827.13, 77,041.53 and 30,333.61

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Solution

The fourth proportional to 55,827.13, 77,041.53 and 30,333.61 is: 41,860.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,827.13 : 77,041.53 = 30,333.61 : x
  2. Step 2: Convert to fraction form
    55,827.13/77,041.53 = 30,333.61/x
  3. Step 3: Cross multiply
    55,827.13x = 77,041.53 × 30,333.61
  4. Step 4: Simplify right side
    55,827.13x = 2,336,947,724.82
  5. Step 5: Solve for x
    x = 2,336,947,724.82/55,827.13
  6. Step 6: Final answer
    x = 41,860.43

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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.