Home / 54,865.81-75,712.32-34,458.41

Finding the Fourth Proportional to 54,865.81, 75,712.32 and 34,458.41

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Solution

The fourth proportional to 54,865.81, 75,712.32 and 34,458.41 is: 47,551.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,865.81 : 75,712.32 = 34,458.41 : x
  2. Step 2: Convert to fraction form
    54,865.81/75,712.32 = 34,458.41/x
  3. Step 3: Cross multiply
    54,865.81x = 75,712.32 × 34,458.41
  4. Step 4: Simplify right side
    54,865.81x = 2,608,926,353.89
  5. Step 5: Solve for x
    x = 2,608,926,353.89/54,865.81
  6. Step 6: Final answer
    x = 47,551.04

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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.