Home / 40,810.74-61,208.94-11,221.44

Finding the Fourth Proportional to 40,810.74, 61,208.94 and 11,221.44

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Solution

The fourth proportional to 40,810.74, 61,208.94 and 11,221.44 is: 16,830.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,810.74 : 61,208.94 = 11,221.44 : x
  2. Step 2: Convert to fraction form
    40,810.74/61,208.94 = 11,221.44/x
  3. Step 3: Cross multiply
    40,810.74x = 61,208.94 × 11,221.44
  4. Step 4: Simplify right side
    40,810.74x = 686,852,447.67
  5. Step 5: Solve for x
    x = 686,852,447.67/40,810.74
  6. Step 6: Final answer
    x = 16,830.19

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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.