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Finding the Fourth Proportional to 45,888.80, 68,858.27 and 17,809.97

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Solution

The fourth proportional to 45,888.80, 68,858.27 and 17,809.97 is: 26,724.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,888.80 : 68,858.27 = 17,809.97 : x
  2. Step 2: Convert to fraction form
    45,888.80/68,858.27 = 17,809.97/x
  3. Step 3: Cross multiply
    45,888.80x = 68,858.27 × 17,809.97
  4. Step 4: Simplify right side
    45,888.80x = 1,226,363,289.61
  5. Step 5: Solve for x
    x = 1,226,363,289.61/45,888.80
  6. Step 6: Final answer
    x = 26,724.68

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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.