Home / 29,156.02-40,229.61-19,609.66

Finding the Fourth Proportional to 29,156.02, 40,229.61 and 19,609.66

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Solution

The fourth proportional to 29,156.02, 40,229.61 and 19,609.66 is: 27,057.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,156.02 : 40,229.61 = 19,609.66 : x
  2. Step 2: Convert to fraction form
    29,156.02/40,229.61 = 19,609.66/x
  3. Step 3: Cross multiply
    29,156.02x = 40,229.61 × 19,609.66
  4. Step 4: Simplify right side
    29,156.02x = 788,888,974.03
  5. Step 5: Solve for x
    x = 788,888,974.03/29,156.02
  6. Step 6: Final answer
    x = 27,057.50

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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.