Home / 60,744.23-91,157.40-21,301.68

Finding the Fourth Proportional to 60,744.23, 91,157.40 and 21,301.68

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Solution

The fourth proportional to 60,744.23, 91,157.40 and 21,301.68 is: 31,966.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,744.23 : 91,157.40 = 21,301.68 : x
  2. Step 2: Convert to fraction form
    60,744.23/91,157.40 = 21,301.68/x
  3. Step 3: Cross multiply
    60,744.23x = 91,157.40 × 21,301.68
  4. Step 4: Simplify right side
    60,744.23x = 1,941,805,764.43
  5. Step 5: Solve for x
    x = 1,941,805,764.43/60,744.23
  6. Step 6: Final answer
    x = 31,966.92

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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.