Home / 41,928.21-57,860.45-31,220.97

Finding the Fourth Proportional to 41,928.21, 57,860.45 and 31,220.97

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Solution

The fourth proportional to 41,928.21, 57,860.45 and 31,220.97 is: 43,084.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,928.21 : 57,860.45 = 31,220.97 : x
  2. Step 2: Convert to fraction form
    41,928.21/57,860.45 = 31,220.97/x
  3. Step 3: Cross multiply
    41,928.21x = 57,860.45 × 31,220.97
  4. Step 4: Simplify right side
    41,928.21x = 1,806,459,368.18
  5. Step 5: Solve for x
    x = 1,806,459,368.18/41,928.21
  6. Step 6: Final answer
    x = 43,084.58

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1.5x scale

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.