Home / 39,962.67-55,146.12-22,057.22

Finding the Fourth Proportional to 39,962.67, 55,146.12 and 22,057.22

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Solution

The fourth proportional to 39,962.67, 55,146.12 and 22,057.22 is: 30,437.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,962.67 : 55,146.12 = 22,057.22 : x
  2. Step 2: Convert to fraction form
    39,962.67/55,146.12 = 22,057.22/x
  3. Step 3: Cross multiply
    39,962.67x = 55,146.12 × 22,057.22
  4. Step 4: Simplify right side
    39,962.67x = 1,216,370,100.99
  5. Step 5: Solve for x
    x = 1,216,370,100.99/39,962.67
  6. Step 6: Final answer
    x = 30,437.66

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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.