Home / 51,359.34-70,897.71-31,222.65

Finding the Fourth Proportional to 51,359.34, 70,897.71 and 31,222.65

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Solution

The fourth proportional to 51,359.34, 70,897.71 and 31,222.65 is: 43,100.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,359.34 : 70,897.71 = 31,222.65 : x
  2. Step 2: Convert to fraction form
    51,359.34/70,897.71 = 31,222.65/x
  3. Step 3: Cross multiply
    51,359.34x = 70,897.71 × 31,222.65
  4. Step 4: Simplify right side
    51,359.34x = 2,213,614,768.08
  5. Step 5: Solve for x
    x = 2,213,614,768.08/51,359.34
  6. Step 6: Final answer
    x = 43,100.53

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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.