Home / 60,549.30-90,837.78-18,435.36

Finding the Fourth Proportional to 60,549.30, 90,837.78 and 18,435.36

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Solution

The fourth proportional to 60,549.30, 90,837.78 and 18,435.36 is: 27,657.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,549.30 : 90,837.78 = 18,435.36 : x
  2. Step 2: Convert to fraction form
    60,549.30/90,837.78 = 18,435.36/x
  3. Step 3: Cross multiply
    60,549.30x = 90,837.78 × 18,435.36
  4. Step 4: Simplify right side
    60,549.30x = 1,674,627,175.90
  5. Step 5: Solve for x
    x = 1,674,627,175.90/60,549.30
  6. Step 6: Final answer
    x = 27,657.25

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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.