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Finding the Fourth Proportional to 60,922.77, 91,385.41 and 18,802.88

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Solution

The fourth proportional to 60,922.77, 91,385.41 and 18,802.88 is: 28,204.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,922.77 : 91,385.41 = 18,802.88 : x
  2. Step 2: Convert to fraction form
    60,922.77/91,385.41 = 18,802.88/x
  3. Step 3: Cross multiply
    60,922.77x = 91,385.41 × 18,802.88
  4. Step 4: Simplify right side
    60,922.77x = 1,718,308,944.99
  5. Step 5: Solve for x
    x = 1,718,308,944.99/60,922.77
  6. Step 6: Final answer
    x = 28,204.71

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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.