Home / 51,442.08-71,013.04-30,222.72

Finding the Fourth Proportional to 51,442.08, 71,013.04 and 30,222.72

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Solution

The fourth proportional to 51,442.08, 71,013.04 and 30,222.72 is: 41,720.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,442.08 : 71,013.04 = 30,222.72 : x
  2. Step 2: Convert to fraction form
    51,442.08/71,013.04 = 30,222.72/x
  3. Step 3: Cross multiply
    51,442.08x = 71,013.04 × 30,222.72
  4. Step 4: Simplify right side
    51,442.08x = 2,146,207,224.27
  5. Step 5: Solve for x
    x = 2,146,207,224.27/51,442.08
  6. Step 6: Final answer
    x = 41,720.85

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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.