Home / 71,475.40-107,216.94-18,883.45

Finding the Fourth Proportional to 71,475.40, 107,216.94 and 18,883.45

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Solution

The fourth proportional to 71,475.40, 107,216.94 and 18,883.45 is: 28,326.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,475.40 : 107,216.94 = 18,883.45 : x
  2. Step 2: Convert to fraction form
    71,475.40/107,216.94 = 18,883.45/x
  3. Step 3: Cross multiply
    71,475.40x = 107,216.94 × 18,883.45
  4. Step 4: Simplify right side
    71,475.40x = 2,024,625,189.56
  5. Step 5: Solve for x
    x = 2,024,625,189.56/71,475.40
  6. Step 6: Final answer
    x = 28,326.18

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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.