Home / 68,215.48-94,140.23-38,000.81

Finding the Fourth Proportional to 68,215.48, 94,140.23 and 38,000.81

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Solution

The fourth proportional to 68,215.48, 94,140.23 and 38,000.81 is: 52,442.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,215.48 : 94,140.23 = 38,000.81 : x
  2. Step 2: Convert to fraction form
    68,215.48/94,140.23 = 38,000.81/x
  3. Step 3: Cross multiply
    68,215.48x = 94,140.23 × 38,000.81
  4. Step 4: Simplify right side
    68,215.48x = 3,577,405,038.93
  5. Step 5: Solve for x
    x = 3,577,405,038.93/68,215.48
  6. Step 6: Final answer
    x = 52,442.71

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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.