Home / 54,854.31-82,281.47-15,411.77

Finding the Fourth Proportional to 54,854.31, 82,281.47 and 15,411.77

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Solution

The fourth proportional to 54,854.31, 82,281.47 and 15,411.77 is: 23,117.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,854.31 : 82,281.47 = 15,411.77 : x
  2. Step 2: Convert to fraction form
    54,854.31/82,281.47 = 15,411.77/x
  3. Step 3: Cross multiply
    54,854.31x = 82,281.47 × 15,411.77
  4. Step 4: Simplify right side
    54,854.31x = 1,268,102,602.44
  5. Step 5: Solve for x
    x = 1,268,102,602.44/54,854.31
  6. Step 6: Final answer
    x = 23,117.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.