Home / 51,151.56-70,592.70-31,009.29

Finding the Fourth Proportional to 51,151.56, 70,592.70 and 31,009.29

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Solution

The fourth proportional to 51,151.56, 70,592.70 and 31,009.29 is: 42,794.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,151.56 : 70,592.70 = 31,009.29 : x
  2. Step 2: Convert to fraction form
    51,151.56/70,592.70 = 31,009.29/x
  3. Step 3: Cross multiply
    51,151.56x = 70,592.70 × 31,009.29
  4. Step 4: Simplify right side
    51,151.56x = 2,189,029,249.50
  5. Step 5: Solve for x
    x = 2,189,029,249.50/51,151.56
  6. Step 6: Final answer
    x = 42,794.97

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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.