Home / 65,330.84-90,154.94-38,112.14

Finding the Fourth Proportional to 65,330.84, 90,154.94 and 38,112.14

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Solution

The fourth proportional to 65,330.84, 90,154.94 and 38,112.14 is: 52,593.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,330.84 : 90,154.94 = 38,112.14 : x
  2. Step 2: Convert to fraction form
    65,330.84/90,154.94 = 38,112.14/x
  3. Step 3: Cross multiply
    65,330.84x = 90,154.94 × 38,112.14
  4. Step 4: Simplify right side
    65,330.84x = 3,435,997,694.97
  5. Step 5: Solve for x
    x = 3,435,997,694.97/65,330.84
  6. Step 6: Final answer
    x = 52,593.81

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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.