Home / 51,392.07-70,917.17-31,246.16

Finding the Fourth Proportional to 51,392.07, 70,917.17 and 31,246.16

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Solution

The fourth proportional to 51,392.07, 70,917.17 and 31,246.16 is: 43,117.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,392.07 : 70,917.17 = 31,246.16 : x
  2. Step 2: Convert to fraction form
    51,392.07/70,917.17 = 31,246.16/x
  3. Step 3: Cross multiply
    51,392.07x = 70,917.17 × 31,246.16
  4. Step 4: Simplify right side
    51,392.07x = 2,215,888,729.75
  5. Step 5: Solve for x
    x = 2,215,888,729.75/51,392.07
  6. Step 6: Final answer
    x = 43,117.33

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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.