Home / 40,299.12-60,495.38-21,615.65

Finding the Fourth Proportional to 40,299.12, 60,495.38 and 21,615.65

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Solution

The fourth proportional to 40,299.12, 60,495.38 and 21,615.65 is: 32,448.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,299.12 : 60,495.38 = 21,615.65 : x
  2. Step 2: Convert to fraction form
    40,299.12/60,495.38 = 21,615.65/x
  3. Step 3: Cross multiply
    40,299.12x = 60,495.38 × 21,615.65
  4. Step 4: Simplify right side
    40,299.12x = 1,307,646,833.78
  5. Step 5: Solve for x
    x = 1,307,646,833.78/40,299.12
  6. Step 6: Final answer
    x = 32,448.52

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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.