Home / 51,761.40-71,429.07-29,101.34

Finding the Fourth Proportional to 51,761.40, 71,429.07 and 29,101.34

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Solution

The fourth proportional to 51,761.40, 71,429.07 and 29,101.34 is: 40,158.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,761.40 : 71,429.07 = 29,101.34 : x
  2. Step 2: Convert to fraction form
    51,761.40/71,429.07 = 29,101.34/x
  3. Step 3: Cross multiply
    51,761.40x = 71,429.07 × 29,101.34
  4. Step 4: Simplify right side
    51,761.40x = 2,078,681,939.66
  5. Step 5: Solve for x
    x = 2,078,681,939.66/51,761.40
  6. Step 6: Final answer
    x = 40,158.92

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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.