Home / 61,639.38-84,936.87-42,525

Finding the Fourth Proportional to 61,639.38, 84,936.87 and 42,525

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Solution

The fourth proportional to 61,639.38, 84,936.87 and 42,525 is: 58,597.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,639.38 : 84,936.87 = 42,525 : x
  2. Step 2: Convert to fraction form
    61,639.38/84,936.87 = 42,525/x
  3. Step 3: Cross multiply
    61,639.38x = 84,936.87 × 42,525
  4. Step 4: Simplify right side
    61,639.38x = 3,611,940,396.75
  5. Step 5: Solve for x
    x = 3,611,940,396.75/61,639.38
  6. Step 6: Final answer
    x = 58,597.94

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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.