Home / 29,556.10-40,751.13-18,358.66

Finding the Fourth Proportional to 29,556.10, 40,751.13 and 18,358.66

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Solution

The fourth proportional to 29,556.10, 40,751.13 and 18,358.66 is: 25,312.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,556.10 : 40,751.13 = 18,358.66 : x
  2. Step 2: Convert to fraction form
    29,556.10/40,751.13 = 18,358.66/x
  3. Step 3: Cross multiply
    29,556.10x = 40,751.13 × 18,358.66
  4. Step 4: Simplify right side
    29,556.10x = 748,136,140.29
  5. Step 5: Solve for x
    x = 748,136,140.29/29,556.10
  6. Step 6: Final answer
    x = 25,312.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.