Home / 68,219.96-94,150.48-38,010.20

Finding the Fourth Proportional to 68,219.96, 94,150.48 and 38,010.20

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Solution

The fourth proportional to 68,219.96, 94,150.48 and 38,010.20 is: 52,457.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,219.96 : 94,150.48 = 38,010.20 : x
  2. Step 2: Convert to fraction form
    68,219.96/94,150.48 = 38,010.20/x
  3. Step 3: Cross multiply
    68,219.96x = 94,150.48 × 38,010.20
  4. Step 4: Simplify right side
    68,219.96x = 3,578,678,715.25
  5. Step 5: Solve for x
    x = 3,578,678,715.25/68,219.96
  6. Step 6: Final answer
    x = 52,457.94

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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.