Home / 68,283.20-94,231.28-38,070.40

Finding the Fourth Proportional to 68,283.20, 94,231.28 and 38,070.40

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Solution

The fourth proportional to 68,283.20, 94,231.28 and 38,070.40 is: 52,537.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,283.20 : 94,231.28 = 38,070.40 : x
  2. Step 2: Convert to fraction form
    68,283.20/94,231.28 = 38,070.40/x
  3. Step 3: Cross multiply
    68,283.20x = 94,231.28 × 38,070.40
  4. Step 4: Simplify right side
    68,283.20x = 3,587,422,522.11
  5. Step 5: Solve for x
    x = 3,587,422,522.11/68,283.20
  6. Step 6: Final answer
    x = 52,537.41

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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.