Home / 51,426.33-70,973.55-31,284.60

Finding the Fourth Proportional to 51,426.33, 70,973.55 and 31,284.60

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Solution

The fourth proportional to 51,426.33, 70,973.55 and 31,284.60 is: 43,175.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,426.33 : 70,973.55 = 31,284.60 : x
  2. Step 2: Convert to fraction form
    51,426.33/70,973.55 = 31,284.60/x
  3. Step 3: Cross multiply
    51,426.33x = 70,973.55 × 31,284.60
  4. Step 4: Simplify right side
    51,426.33x = 2,220,379,122.33
  5. Step 5: Solve for x
    x = 2,220,379,122.33/51,426.33
  6. Step 6: Final answer
    x = 43,175.92

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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.