Home / 68,623.10-94,678.30-38,403.62

Finding the Fourth Proportional to 68,623.10, 94,678.30 and 38,403.62

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Solution

The fourth proportional to 68,623.10, 94,678.30 and 38,403.62 is: 52,984.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,623.10 : 94,678.30 = 38,403.62 : x
  2. Step 2: Convert to fraction form
    68,623.10/94,678.30 = 38,403.62/x
  3. Step 3: Cross multiply
    68,623.10x = 94,678.30 × 38,403.62
  4. Step 4: Simplify right side
    68,623.10x = 3,635,989,263.43
  5. Step 5: Solve for x
    x = 3,635,989,263.43/68,623.10
  6. Step 6: Final answer
    x = 52,984.92

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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.