Home / 45,482.11-68,230.15-13,884.82

Finding the Fourth Proportional to 45,482.11, 68,230.15 and 13,884.82

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Solution

The fourth proportional to 45,482.11, 68,230.15 and 13,884.82 is: 20,829.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,482.11 : 68,230.15 = 13,884.82 : x
  2. Step 2: Convert to fraction form
    45,482.11/68,230.15 = 13,884.82/x
  3. Step 3: Cross multiply
    45,482.11x = 68,230.15 × 13,884.82
  4. Step 4: Simplify right side
    45,482.11x = 947,363,146.04
  5. Step 5: Solve for x
    x = 947,363,146.04/45,482.11
  6. Step 6: Final answer
    x = 20,829.36

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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.