Home / 29,207.20-43,810.80-18,126.40

Finding the Fourth Proportional to 29,207.20, 43,810.80 and 18,126.40

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Solution

The fourth proportional to 29,207.20, 43,810.80 and 18,126.40 is: 27,189.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,207.20 : 43,810.80 = 18,126.40 : x
  2. Step 2: Convert to fraction form
    29,207.20/43,810.80 = 18,126.40/x
  3. Step 3: Cross multiply
    29,207.20x = 43,810.80 × 18,126.40
  4. Step 4: Simplify right side
    29,207.20x = 794,132,085.12
  5. Step 5: Solve for x
    x = 794,132,085.12/29,207.20
  6. Step 6: Final answer
    x = 27,189.60

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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.