Home / 43,981.01-65,966.27-12,393.44

Finding the Fourth Proportional to 43,981.01, 65,966.27 and 12,393.44

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Solution

The fourth proportional to 43,981.01, 65,966.27 and 12,393.44 is: 18,588.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,981.01 : 65,966.27 = 12,393.44 : x
  2. Step 2: Convert to fraction form
    43,981.01/65,966.27 = 12,393.44/x
  3. Step 3: Cross multiply
    43,981.01x = 65,966.27 × 12,393.44
  4. Step 4: Simplify right side
    43,981.01x = 817,548,617.47
  5. Step 5: Solve for x
    x = 817,548,617.47/43,981.01
  6. Step 6: Final answer
    x = 18,588.68

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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.