Home / 60,111.12-90,161.40-18,554

Finding the Fourth Proportional to 60,111.12, 90,161.40 and 18,554

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Solution

The fourth proportional to 60,111.12, 90,161.40 and 18,554 is: 27,829.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,111.12 : 90,161.40 = 18,554 : x
  2. Step 2: Convert to fraction form
    60,111.12/90,161.40 = 18,554/x
  3. Step 3: Cross multiply
    60,111.12x = 90,161.40 × 18,554
  4. Step 4: Simplify right side
    60,111.12x = 1,672,854,615.60
  5. Step 5: Solve for x
    x = 1,672,854,615.60/60,111.12
  6. Step 6: Final answer
    x = 27,829.37

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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.