Home / 29,193.11-43,629.70-21,312.22

Finding the Fourth Proportional to 29,193.11, 43,629.70 and 21,312.22

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Solution

The fourth proportional to 29,193.11, 43,629.70 and 21,312.22 is: 31,851.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,193.11 : 43,629.70 = 21,312.22 : x
  2. Step 2: Convert to fraction form
    29,193.11/43,629.70 = 21,312.22/x
  3. Step 3: Cross multiply
    29,193.11x = 43,629.70 × 21,312.22
  4. Step 4: Simplify right side
    29,193.11x = 929,845,764.93
  5. Step 5: Solve for x
    x = 929,845,764.93/29,193.11
  6. Step 6: Final answer
    x = 31,851.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.