Home / 29,283.12-40,401.18-18,676.17

Finding the Fourth Proportional to 29,283.12, 40,401.18 and 18,676.17

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Solution

The fourth proportional to 29,283.12, 40,401.18 and 18,676.17 is: 25,767.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,283.12 : 40,401.18 = 18,676.17 : x
  2. Step 2: Convert to fraction form
    29,283.12/40,401.18 = 18,676.17/x
  3. Step 3: Cross multiply
    29,283.12x = 40,401.18 × 18,676.17
  4. Step 4: Simplify right side
    29,283.12x = 754,539,305.88
  5. Step 5: Solve for x
    x = 754,539,305.88/29,283.12
  6. Step 6: Final answer
    x = 25,767.04

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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.