Home / 29,043.20-43,561.40-9,054.18

Finding the Fourth Proportional to 29,043.20, 43,561.40 and 9,054.18

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Solution

The fourth proportional to 29,043.20, 43,561.40 and 9,054.18 is: 13,580.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,043.20 : 43,561.40 = 9,054.18 : x
  2. Step 2: Convert to fraction form
    29,043.20/43,561.40 = 9,054.18/x
  3. Step 3: Cross multiply
    29,043.20x = 43,561.40 × 9,054.18
  4. Step 4: Simplify right side
    29,043.20x = 394,412,711.38
  5. Step 5: Solve for x
    x = 394,412,711.38/29,043.20
  6. Step 6: Final answer
    x = 13,580.21

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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.