Home / 45,923.97-68,888.52-14,338.40

Finding the Fourth Proportional to 45,923.97, 68,888.52 and 14,338.40

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Solution

The fourth proportional to 45,923.97, 68,888.52 and 14,338.40 is: 21,508.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,923.97 : 68,888.52 = 14,338.40 : x
  2. Step 2: Convert to fraction form
    45,923.97/68,888.52 = 14,338.40/x
  3. Step 3: Cross multiply
    45,923.97x = 68,888.52 × 14,338.40
  4. Step 4: Simplify right side
    45,923.97x = 987,750,810.73
  5. Step 5: Solve for x
    x = 987,750,810.73/45,923.97
  6. Step 6: Final answer
    x = 21,508.39

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1.5x scale

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.