Home / 51,576.16-71,184.72-30,354.40

Finding the Fourth Proportional to 51,576.16, 71,184.72 and 30,354.40

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Solution

The fourth proportional to 51,576.16, 71,184.72 and 30,354.40 is: 41,894.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,576.16 : 71,184.72 = 30,354.40 : x
  2. Step 2: Convert to fraction form
    51,576.16/71,184.72 = 30,354.40/x
  3. Step 3: Cross multiply
    51,576.16x = 71,184.72 × 30,354.40
  4. Step 4: Simplify right side
    51,576.16x = 2,160,769,464.77
  5. Step 5: Solve for x
    x = 2,160,769,464.77/51,576.16
  6. Step 6: Final answer
    x = 41,894.73

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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.