Home / 51,490.75-71,058.32-29,134.75

Finding the Fourth Proportional to 51,490.75, 71,058.32 and 29,134.75

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Solution

The fourth proportional to 51,490.75, 71,058.32 and 29,134.75 is: 40,206.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,490.75 : 71,058.32 = 29,134.75 : x
  2. Step 2: Convert to fraction form
    51,490.75/71,058.32 = 29,134.75/x
  3. Step 3: Cross multiply
    51,490.75x = 71,058.32 × 29,134.75
  4. Step 4: Simplify right side
    51,490.75x = 2,070,266,388.62
  5. Step 5: Solve for x
    x = 2,070,266,388.62/51,490.75
  6. Step 6: Final answer
    x = 40,206.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.