Home / 41,280.31-61,929.87-14,985.04

Finding the Fourth Proportional to 41,280.31, 61,929.87 and 14,985.04

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Solution

The fourth proportional to 41,280.31, 61,929.87 and 14,985.04 is: 22,480.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,280.31 : 61,929.87 = 14,985.04 : x
  2. Step 2: Convert to fraction form
    41,280.31/61,929.87 = 14,985.04/x
  3. Step 3: Cross multiply
    41,280.31x = 61,929.87 × 14,985.04
  4. Step 4: Simplify right side
    41,280.31x = 928,021,579.14
  5. Step 5: Solve for x
    x = 928,021,579.14/41,280.31
  6. Step 6: Final answer
    x = 22,480.97

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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.