Home / 40,265.79-60,353.11-20,502.60

Finding the Fourth Proportional to 40,265.79, 60,353.11 and 20,502.60

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Solution

The fourth proportional to 40,265.79, 60,353.11 and 20,502.60 is: 30,730.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,265.79 : 60,353.11 = 20,502.60 : x
  2. Step 2: Convert to fraction form
    40,265.79/60,353.11 = 20,502.60/x
  3. Step 3: Cross multiply
    40,265.79x = 60,353.11 × 20,502.60
  4. Step 4: Simplify right side
    40,265.79x = 1,237,395,621.83
  5. Step 5: Solve for x
    x = 1,237,395,621.83/40,265.79
  6. Step 6: Final answer
    x = 30,730.69

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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.