Home / 43,474.64-65,180.06-13,875.42

Finding the Fourth Proportional to 43,474.64, 65,180.06 and 13,875.42

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Solution

The fourth proportional to 43,474.64, 65,180.06 and 13,875.42 is: 20,802.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,474.64 : 65,180.06 = 13,875.42 : x
  2. Step 2: Convert to fraction form
    43,474.64/65,180.06 = 13,875.42/x
  3. Step 3: Cross multiply
    43,474.64x = 65,180.06 × 13,875.42
  4. Step 4: Simplify right side
    43,474.64x = 904,400,708.13
  5. Step 5: Solve for x
    x = 904,400,708.13/43,474.64
  6. Step 6: Final answer
    x = 20,802.95

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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.