Home / 51,162.44-70,585.44-31,004.78

Finding the Fourth Proportional to 51,162.44, 70,585.44 and 31,004.78

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Solution

The fourth proportional to 51,162.44, 70,585.44 and 31,004.78 is: 42,775.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,162.44 : 70,585.44 = 31,004.78 : x
  2. Step 2: Convert to fraction form
    51,162.44/70,585.44 = 31,004.78/x
  3. Step 3: Cross multiply
    51,162.44x = 70,585.44 × 31,004.78
  4. Step 4: Simplify right side
    51,162.44x = 2,188,486,038.40
  5. Step 5: Solve for x
    x = 2,188,486,038.40/51,162.44
  6. Step 6: Final answer
    x = 42,775.25

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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.