Home / 29,916.60-44,864.10-12,139.80

Finding the Fourth Proportional to 29,916.60, 44,864.10 and 12,139.80

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Solution

The fourth proportional to 29,916.60, 44,864.10 and 12,139.80 is: 18,205.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,916.60 : 44,864.10 = 12,139.80 : x
  2. Step 2: Convert to fraction form
    29,916.60/44,864.10 = 12,139.80/x
  3. Step 3: Cross multiply
    29,916.60x = 44,864.10 × 12,139.80
  4. Step 4: Simplify right side
    29,916.60x = 544,641,201.18
  5. Step 5: Solve for x
    x = 544,641,201.18/29,916.60
  6. Step 6: Final answer
    x = 18,205.32

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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.