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Finding the Fourth Proportional to 60,889.68, 91,291.56 and 23,418.28

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Solution

The fourth proportional to 60,889.68, 91,291.56 and 23,418.28 is: 35,110.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,889.68 : 91,291.56 = 23,418.28 : x
  2. Step 2: Convert to fraction form
    60,889.68/91,291.56 = 23,418.28/x
  3. Step 3: Cross multiply
    60,889.68x = 91,291.56 × 23,418.28
  4. Step 4: Simplify right side
    60,889.68x = 2,137,891,313.72
  5. Step 5: Solve for x
    x = 2,137,891,313.72/60,889.68
  6. Step 6: Final answer
    x = 35,110.90

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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.