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Finding the Fourth Proportional to 59,920.96, 89,878.08 and 18,367.84

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Solution

The fourth proportional to 59,920.96, 89,878.08 and 18,367.84 is: 27,550.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,920.96 : 89,878.08 = 18,367.84 : x
  2. Step 2: Convert to fraction form
    59,920.96/89,878.08 = 18,367.84/x
  3. Step 3: Cross multiply
    59,920.96x = 89,878.08 × 18,367.84
  4. Step 4: Simplify right side
    59,920.96x = 1,650,866,192.95
  5. Step 5: Solve for x
    x = 1,650,866,192.95/59,920.96
  6. Step 6: Final answer
    x = 27,550.73

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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.