Home / 45,983.40-68,962.14-19,716.72

Finding the Fourth Proportional to 45,983.40, 68,962.14 and 19,716.72

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Solution

The fourth proportional to 45,983.40, 68,962.14 and 19,716.72 is: 29,569.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,983.40 : 68,962.14 = 19,716.72 : x
  2. Step 2: Convert to fraction form
    45,983.40/68,962.14 = 19,716.72/x
  3. Step 3: Cross multiply
    45,983.40x = 68,962.14 × 19,716.72
  4. Step 4: Simplify right side
    45,983.40x = 1,359,707,204.98
  5. Step 5: Solve for x
    x = 1,359,707,204.98/45,983.40
  6. Step 6: Final answer
    x = 29,569.52

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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.