Home / 29,142.18-43,687.62-19,260.72

Finding the Fourth Proportional to 29,142.18, 43,687.62 and 19,260.72

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Solution

The fourth proportional to 29,142.18, 43,687.62 and 19,260.72 is: 28,874.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,142.18 : 43,687.62 = 19,260.72 : x
  2. Step 2: Convert to fraction form
    29,142.18/43,687.62 = 19,260.72/x
  3. Step 3: Cross multiply
    29,142.18x = 43,687.62 × 19,260.72
  4. Step 4: Simplify right side
    29,142.18x = 841,455,016.29
  5. Step 5: Solve for x
    x = 841,455,016.29/29,142.18
  6. Step 6: Final answer
    x = 28,874.13

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1.5x scale

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.