Home / 43,902.16-65,868.02-13,921.29

Finding the Fourth Proportional to 43,902.16, 65,868.02 and 13,921.29

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Solution

The fourth proportional to 43,902.16, 65,868.02 and 13,921.29 is: 20,886.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,902.16 : 65,868.02 = 13,921.29 : x
  2. Step 2: Convert to fraction form
    43,902.16/65,868.02 = 13,921.29/x
  3. Step 3: Cross multiply
    43,902.16x = 65,868.02 × 13,921.29
  4. Step 4: Simplify right side
    43,902.16x = 916,967,808.15
  5. Step 5: Solve for x
    x = 916,967,808.15/43,902.16
  6. Step 6: Final answer
    x = 20,886.62

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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.