Home / 29,650.12-40,916.55-16,221.34

Finding the Fourth Proportional to 29,650.12, 40,916.55 and 16,221.34

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Solution

The fourth proportional to 29,650.12, 40,916.55 and 16,221.34 is: 22,385.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,650.12 : 40,916.55 = 16,221.34 : x
  2. Step 2: Convert to fraction form
    29,650.12/40,916.55 = 16,221.34/x
  3. Step 3: Cross multiply
    29,650.12x = 40,916.55 × 16,221.34
  4. Step 4: Simplify right side
    29,650.12x = 663,721,269.18
  5. Step 5: Solve for x
    x = 663,721,269.18/29,650.12
  6. Step 6: Final answer
    x = 22,385.11

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1.5x scale

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.