Home / 51,456.32-71,008.80-29,099.84

Finding the Fourth Proportional to 51,456.32, 71,008.80 and 29,099.84

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Solution

The fourth proportional to 51,456.32, 71,008.80 and 29,099.84 is: 40,157.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,456.32 : 71,008.80 = 29,099.84 : x
  2. Step 2: Convert to fraction form
    51,456.32/71,008.80 = 29,099.84/x
  3. Step 3: Cross multiply
    51,456.32x = 71,008.80 × 29,099.84
  4. Step 4: Simplify right side
    51,456.32x = 2,066,344,718.59
  5. Step 5: Solve for x
    x = 2,066,344,718.59/51,456.32
  6. Step 6: Final answer
    x = 40,157.26

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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.