Home / 40,296.20-60,509.10-30,446.60

Finding the Fourth Proportional to 40,296.20, 60,509.10 and 30,446.60

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Solution

The fourth proportional to 40,296.20, 60,509.10 and 30,446.60 is: 45,718.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,296.20 : 60,509.10 = 30,446.60 : x
  2. Step 2: Convert to fraction form
    40,296.20/60,509.10 = 30,446.60/x
  3. Step 3: Cross multiply
    40,296.20x = 60,509.10 × 30,446.60
  4. Step 4: Simplify right side
    40,296.20x = 1,842,296,364.06
  5. Step 5: Solve for x
    x = 1,842,296,364.06/40,296.20
  6. Step 6: Final answer
    x = 45,718.86

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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.