Home / 60,955.20-91,402.56-19,396.80

Finding the Fourth Proportional to 60,955.20, 91,402.56 and 19,396.80

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Solution

The fourth proportional to 60,955.20, 91,402.56 and 19,396.80 is: 29,085.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,955.20 : 91,402.56 = 19,396.80 : x
  2. Step 2: Convert to fraction form
    60,955.20/91,402.56 = 19,396.80/x
  3. Step 3: Cross multiply
    60,955.20x = 91,402.56 × 19,396.80
  4. Step 4: Simplify right side
    60,955.20x = 1,772,917,175.81
  5. Step 5: Solve for x
    x = 1,772,917,175.81/60,955.20
  6. Step 6: Final answer
    x = 29,085.58

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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.