Home / 61,912.29-85,438.22-33,618.18

Finding the Fourth Proportional to 61,912.29, 85,438.22 and 33,618.18

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Solution

The fourth proportional to 61,912.29, 85,438.22 and 33,618.18 is: 46,392.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,912.29 : 85,438.22 = 33,618.18 : x
  2. Step 2: Convert to fraction form
    61,912.29/85,438.22 = 33,618.18/x
  3. Step 3: Cross multiply
    61,912.29x = 85,438.22 × 33,618.18
  4. Step 4: Simplify right side
    61,912.29x = 2,872,277,290.75
  5. Step 5: Solve for x
    x = 2,872,277,290.75/61,912.29
  6. Step 6: Final answer
    x = 46,392.68

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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.