Home / 40,684.84-61,033.14-12,607.36

Finding the Fourth Proportional to 40,684.84, 61,033.14 and 12,607.36

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Solution

The fourth proportional to 40,684.84, 61,033.14 and 12,607.36 is: 18,912.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,684.84 : 61,033.14 = 12,607.36 : x
  2. Step 2: Convert to fraction form
    40,684.84/61,033.14 = 12,607.36/x
  3. Step 3: Cross multiply
    40,684.84x = 61,033.14 × 12,607.36
  4. Step 4: Simplify right side
    40,684.84x = 769,466,767.91
  5. Step 5: Solve for x
    x = 769,466,767.91/40,684.84
  6. Step 6: Final answer
    x = 18,912.86

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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.