Home / 43,428.20-65,110.80-29,353.40

Finding the Fourth Proportional to 43,428.20, 65,110.80 and 29,353.40

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Solution

The fourth proportional to 43,428.20, 65,110.80 and 29,353.40 is: 44,008.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,428.20 : 65,110.80 = 29,353.40 : x
  2. Step 2: Convert to fraction form
    43,428.20/65,110.80 = 29,353.40/x
  3. Step 3: Cross multiply
    43,428.20x = 65,110.80 × 29,353.40
  4. Step 4: Simplify right side
    43,428.20x = 1,911,223,356.72
  5. Step 5: Solve for x
    x = 1,911,223,356.72/43,428.20
  6. Step 6: Final answer
    x = 44,008.81

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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.