Home / 71,222.41-98,284.17-39,391.84

Finding the Fourth Proportional to 71,222.41, 98,284.17 and 39,391.84

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Solution

The fourth proportional to 71,222.41, 98,284.17 and 39,391.84 is: 54,359.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,222.41 : 98,284.17 = 39,391.84 : x
  2. Step 2: Convert to fraction form
    71,222.41/98,284.17 = 39,391.84/x
  3. Step 3: Cross multiply
    71,222.41x = 98,284.17 × 39,391.84
  4. Step 4: Simplify right side
    71,222.41x = 3,871,594,299.17
  5. Step 5: Solve for x
    x = 3,871,594,299.17/71,222.41
  6. Step 6: Final answer
    x = 54,359.22

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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.