Home / 29,031.80-43,562.10-11,502.20

Finding the Fourth Proportional to 29,031.80, 43,562.10 and 11,502.20

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Solution

The fourth proportional to 29,031.80, 43,562.10 and 11,502.20 is: 17,259.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,031.80 : 43,562.10 = 11,502.20 : x
  2. Step 2: Convert to fraction form
    29,031.80/43,562.10 = 11,502.20/x
  3. Step 3: Cross multiply
    29,031.80x = 43,562.10 × 11,502.20
  4. Step 4: Simplify right side
    29,031.80x = 501,059,986.62
  5. Step 5: Solve for x
    x = 501,059,986.62/29,031.80
  6. Step 6: Final answer
    x = 17,259.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.