Home / 68,220.96-94,151.86-38,011.20

Finding the Fourth Proportional to 68,220.96, 94,151.86 and 38,011.20

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Solution

The fourth proportional to 68,220.96, 94,151.86 and 38,011.20 is: 52,459.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,220.96 : 94,151.86 = 38,011.20 : x
  2. Step 2: Convert to fraction form
    68,220.96/94,151.86 = 38,011.20/x
  3. Step 3: Cross multiply
    68,220.96x = 94,151.86 × 38,011.20
  4. Step 4: Simplify right side
    68,220.96x = 3,578,825,180.83
  5. Step 5: Solve for x
    x = 3,578,825,180.83/68,220.96
  6. Step 6: Final answer
    x = 52,459.32

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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.