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Finding the Fourth Proportional to 60,733.84, 91,115.25 and 19,180.84

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Solution

The fourth proportional to 60,733.84, 91,115.25 and 19,180.84 is: 28,775.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,733.84 : 91,115.25 = 19,180.84 : x
  2. Step 2: Convert to fraction form
    60,733.84/91,115.25 = 19,180.84/x
  3. Step 3: Cross multiply
    60,733.84x = 91,115.25 × 19,180.84
  4. Step 4: Simplify right side
    60,733.84x = 1,747,667,031.81
  5. Step 5: Solve for x
    x = 1,747,667,031.81/60,733.84
  6. Step 6: Final answer
    x = 28,775.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.