Home / 41,286.42-61,946.04-13,210.80

Finding the Fourth Proportional to 41,286.42, 61,946.04 and 13,210.80

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Solution

The fourth proportional to 41,286.42, 61,946.04 and 13,210.80 is: 19,821.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,286.42 : 61,946.04 = 13,210.80 : x
  2. Step 2: Convert to fraction form
    41,286.42/61,946.04 = 13,210.80/x
  3. Step 3: Cross multiply
    41,286.42x = 61,946.04 × 13,210.80
  4. Step 4: Simplify right side
    41,286.42x = 818,356,745.23
  5. Step 5: Solve for x
    x = 818,356,745.23/41,286.42
  6. Step 6: Final answer
    x = 19,821.45

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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.