Home / 48,929.11-67,521.02-28,787.29

Finding the Fourth Proportional to 48,929.11, 67,521.02 and 28,787.29

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Solution

The fourth proportional to 48,929.11, 67,521.02 and 28,787.29 is: 39,725.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,929.11 : 67,521.02 = 28,787.29 : x
  2. Step 2: Convert to fraction form
    48,929.11/67,521.02 = 28,787.29/x
  3. Step 3: Cross multiply
    48,929.11x = 67,521.02 × 28,787.29
  4. Step 4: Simplify right side
    48,929.11x = 1,943,746,871.10
  5. Step 5: Solve for x
    x = 1,943,746,871.10/48,929.11
  6. Step 6: Final answer
    x = 39,725.78

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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.