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Finding the Fourth Proportional to 62,181.84, 85,807.56 and 35,685.84

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Solution

The fourth proportional to 62,181.84, 85,807.56 and 35,685.84 is: 49,244.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,181.84 : 85,807.56 = 35,685.84 : x
  2. Step 2: Convert to fraction form
    62,181.84/85,807.56 = 35,685.84/x
  3. Step 3: Cross multiply
    62,181.84x = 85,807.56 × 35,685.84
  4. Step 4: Simplify right side
    62,181.84x = 3,062,114,856.95
  5. Step 5: Solve for x
    x = 3,062,114,856.95/62,181.84
  6. Step 6: Final answer
    x = 49,244.52

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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.