Home / 43,375.31-65,063.43-15,290.13

Finding the Fourth Proportional to 43,375.31, 65,063.43 and 15,290.13

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Solution

The fourth proportional to 43,375.31, 65,063.43 and 15,290.13 is: 22,935.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,375.31 : 65,063.43 = 15,290.13 : x
  2. Step 2: Convert to fraction form
    43,375.31/65,063.43 = 15,290.13/x
  3. Step 3: Cross multiply
    43,375.31x = 65,063.43 × 15,290.13
  4. Step 4: Simplify right side
    43,375.31x = 994,828,302.95
  5. Step 5: Solve for x
    x = 994,828,302.95/43,375.31
  6. Step 6: Final answer
    x = 22,935.36

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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.