Home / 61,289.28-84,578.04-34,431.84

Finding the Fourth Proportional to 61,289.28, 84,578.04 and 34,431.84

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Solution

The fourth proportional to 61,289.28, 84,578.04 and 34,431.84 is: 47,515.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,289.28 : 84,578.04 = 34,431.84 : x
  2. Step 2: Convert to fraction form
    61,289.28/84,578.04 = 34,431.84/x
  3. Step 3: Cross multiply
    61,289.28x = 84,578.04 × 34,431.84
  4. Step 4: Simplify right side
    61,289.28x = 2,912,177,540.79
  5. Step 5: Solve for x
    x = 2,912,177,540.79/61,289.28
  6. Step 6: Final answer
    x = 47,515.28

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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.