Home / 51,872.21-71,585.93-29,211.21

Finding the Fourth Proportional to 51,872.21, 71,585.93 and 29,211.21

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Solution

The fourth proportional to 51,872.21, 71,585.93 and 29,211.21 is: 40,312.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,872.21 : 71,585.93 = 29,211.21 : x
  2. Step 2: Convert to fraction form
    51,872.21/71,585.93 = 29,211.21/x
  3. Step 3: Cross multiply
    51,872.21x = 71,585.93 × 29,211.21
  4. Step 4: Simplify right side
    51,872.21x = 2,091,111,707.30
  5. Step 5: Solve for x
    x = 2,091,111,707.30/51,872.21
  6. Step 6: Final answer
    x = 40,312.76

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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.