Home / 29,117.12-40,181.40-16,541.87

Finding the Fourth Proportional to 29,117.12, 40,181.40 and 16,541.87

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Solution

The fourth proportional to 29,117.12, 40,181.40 and 16,541.87 is: 22,827.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,117.12 : 40,181.40 = 16,541.87 : x
  2. Step 2: Convert to fraction form
    29,117.12/40,181.40 = 16,541.87/x
  3. Step 3: Cross multiply
    29,117.12x = 40,181.40 × 16,541.87
  4. Step 4: Simplify right side
    29,117.12x = 664,675,294.31
  5. Step 5: Solve for x
    x = 664,675,294.31/29,117.12
  6. Step 6: Final answer
    x = 22,827.65

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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.