Home / 60,271.30-90,344.20-20,260.54

Finding the Fourth Proportional to 60,271.30, 90,344.20 and 20,260.54

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Solution

The fourth proportional to 60,271.30, 90,344.20 and 20,260.54 is: 30,369.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,271.30 : 90,344.20 = 20,260.54 : x
  2. Step 2: Convert to fraction form
    60,271.30/90,344.20 = 20,260.54/x
  3. Step 3: Cross multiply
    60,271.30x = 90,344.20 × 20,260.54
  4. Step 4: Simplify right side
    60,271.30x = 1,830,422,277.87
  5. Step 5: Solve for x
    x = 1,830,422,277.87/60,271.30
  6. Step 6: Final answer
    x = 30,369.72

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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.