Home / 43,560.42-65,337.12-13,970.34

Finding the Fourth Proportional to 43,560.42, 65,337.12 and 13,970.34

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Solution

The fourth proportional to 43,560.42, 65,337.12 and 13,970.34 is: 20,954.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,560.42 : 65,337.12 = 13,970.34 : x
  2. Step 2: Convert to fraction form
    43,560.42/65,337.12 = 13,970.34/x
  3. Step 3: Cross multiply
    43,560.42x = 65,337.12 × 13,970.34
  4. Step 4: Simplify right side
    43,560.42x = 912,781,781.02
  5. Step 5: Solve for x
    x = 912,781,781.02/43,560.42
  6. Step 6: Final answer
    x = 20,954.38

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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.