Home / 43,659.17-65,433.95-18,669.82

Finding the Fourth Proportional to 43,659.17, 65,433.95 and 18,669.82

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Solution

The fourth proportional to 43,659.17, 65,433.95 and 18,669.82 is: 27,981.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,659.17 : 65,433.95 = 18,669.82 : x
  2. Step 2: Convert to fraction form
    43,659.17/65,433.95 = 18,669.82/x
  3. Step 3: Cross multiply
    43,659.17x = 65,433.95 × 18,669.82
  4. Step 4: Simplify right side
    43,659.17x = 1,221,639,811.46
  5. Step 5: Solve for x
    x = 1,221,639,811.46/43,659.17
  6. Step 6: Final answer
    x = 27,981.29

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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.