Home / 68,302.29-94,268.51-39,638.92

Finding the Fourth Proportional to 68,302.29, 94,268.51 and 39,638.92

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Solution

The fourth proportional to 68,302.29, 94,268.51 and 39,638.92 is: 54,708.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,302.29 : 94,268.51 = 39,638.92 : x
  2. Step 2: Convert to fraction form
    68,302.29/94,268.51 = 39,638.92/x
  3. Step 3: Cross multiply
    68,302.29x = 94,268.51 × 39,638.92
  4. Step 4: Simplify right side
    68,302.29x = 3,736,701,817.94
  5. Step 5: Solve for x
    x = 3,736,701,817.94/68,302.29
  6. Step 6: Final answer
    x = 54,708.30

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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.