Home / 43,570.46-65,364.20-13,986.02

Finding the Fourth Proportional to 43,570.46, 65,364.20 and 13,986.02

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Solution

The fourth proportional to 43,570.46, 65,364.20 and 13,986.02 is: 20,981.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,570.46 : 65,364.20 = 13,986.02 : x
  2. Step 2: Convert to fraction form
    43,570.46/65,364.20 = 13,986.02/x
  3. Step 3: Cross multiply
    43,570.46x = 65,364.20 × 13,986.02
  4. Step 4: Simplify right side
    43,570.46x = 914,185,008.48
  5. Step 5: Solve for x
    x = 914,185,008.48/43,570.46
  6. Step 6: Final answer
    x = 20,981.76

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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.