Home / 43,501.20-65,233.56-13,911.12

Finding the Fourth Proportional to 43,501.20, 65,233.56 and 13,911.12

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Solution

The fourth proportional to 43,501.20, 65,233.56 and 13,911.12 is: 20,860.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,501.20 : 65,233.56 = 13,911.12 : x
  2. Step 2: Convert to fraction form
    43,501.20/65,233.56 = 13,911.12/x
  3. Step 3: Cross multiply
    43,501.20x = 65,233.56 × 13,911.12
  4. Step 4: Simplify right side
    43,501.20x = 907,471,881.19
  5. Step 5: Solve for x
    x = 907,471,881.19/43,501.20
  6. Step 6: Final answer
    x = 20,860.85

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1.5x scale

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.