Home / 29,109.76-40,171.61-17,010.95

Finding the Fourth Proportional to 29,109.76, 40,171.61 and 17,010.95

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Solution

The fourth proportional to 29,109.76, 40,171.61 and 17,010.95 is: 23,475.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,109.76 : 40,171.61 = 17,010.95 : x
  2. Step 2: Convert to fraction form
    29,109.76/40,171.61 = 17,010.95/x
  3. Step 3: Cross multiply
    29,109.76x = 40,171.61 × 17,010.95
  4. Step 4: Simplify right side
    29,109.76x = 683,357,090.80
  5. Step 5: Solve for x
    x = 683,357,090.80/29,109.76
  6. Step 6: Final answer
    x = 23,475.19

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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.