Home / 51,711.31-71,361.30-29,050.35

Finding the Fourth Proportional to 51,711.31, 71,361.30 and 29,050.35

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Solution

The fourth proportional to 51,711.31, 71,361.30 and 29,050.35 is: 40,089.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,711.31 : 71,361.30 = 29,050.35 : x
  2. Step 2: Convert to fraction form
    51,711.31/71,361.30 = 29,050.35/x
  3. Step 3: Cross multiply
    51,711.31x = 71,361.30 × 29,050.35
  4. Step 4: Simplify right side
    51,711.31x = 2,073,070,741.46
  5. Step 5: Solve for x
    x = 2,073,070,741.46/51,711.31
  6. Step 6: Final answer
    x = 40,089.31

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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.