Home / 68,343.31-94,313.91-38,127.88

Finding the Fourth Proportional to 68,343.31, 94,313.91 and 38,127.88

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Solution

The fourth proportional to 68,343.31, 94,313.91 and 38,127.88 is: 52,616.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,343.31 : 94,313.91 = 38,127.88 : x
  2. Step 2: Convert to fraction form
    68,343.31/94,313.91 = 38,127.88/x
  3. Step 3: Cross multiply
    68,343.31x = 94,313.91 × 38,127.88
  4. Step 4: Simplify right side
    68,343.31x = 3,595,989,442.81
  5. Step 5: Solve for x
    x = 3,595,989,442.81/68,343.31
  6. Step 6: Final answer
    x = 52,616.55

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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.