Home / 60,756.24-91,137.60-19,200

Finding the Fourth Proportional to 60,756.24, 91,137.60 and 19,200

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Solution

The fourth proportional to 60,756.24, 91,137.60 and 19,200 is: 28,801.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,756.24 : 91,137.60 = 19,200 : x
  2. Step 2: Convert to fraction form
    60,756.24/91,137.60 = 19,200/x
  3. Step 3: Cross multiply
    60,756.24x = 91,137.60 × 19,200
  4. Step 4: Simplify right side
    60,756.24x = 1,749,841,920
  5. Step 5: Solve for x
    x = 1,749,841,920/60,756.24
  6. Step 6: Final answer
    x = 28,801.02

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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.