Home / 29,146.19-43,691.54-18,586.55

Finding the Fourth Proportional to 29,146.19, 43,691.54 and 18,586.55

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Solution

The fourth proportional to 29,146.19, 43,691.54 and 18,586.55 is: 27,862.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,146.19 : 43,691.54 = 18,586.55 : x
  2. Step 2: Convert to fraction form
    29,146.19/43,691.54 = 18,586.55/x
  3. Step 3: Cross multiply
    29,146.19x = 43,691.54 × 18,586.55
  4. Step 4: Simplify right side
    29,146.19x = 812,075,009.08
  5. Step 5: Solve for x
    x = 812,075,009.08/29,146.19
  6. Step 6: Final answer
    x = 27,862.14

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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.