Home / 29,091.04-40,147.20-17,161.36

Finding the Fourth Proportional to 29,091.04, 40,147.20 and 17,161.36

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Solution

The fourth proportional to 29,091.04, 40,147.20 and 17,161.36 is: 23,683.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,091.04 : 40,147.20 = 17,161.36 : x
  2. Step 2: Convert to fraction form
    29,091.04/40,147.20 = 17,161.36/x
  3. Step 3: Cross multiply
    29,091.04x = 40,147.20 × 17,161.36
  4. Step 4: Simplify right side
    29,091.04x = 688,980,552.19
  5. Step 5: Solve for x
    x = 688,980,552.19/29,091.04
  6. Step 6: Final answer
    x = 23,683.60

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1.5x scale

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.