Home / 39,909.83-55,075.94-22,005.47

Finding the Fourth Proportional to 39,909.83, 55,075.94 and 22,005.47

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Solution

The fourth proportional to 39,909.83, 55,075.94 and 22,005.47 is: 30,367.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,909.83 : 55,075.94 = 22,005.47 : x
  2. Step 2: Convert to fraction form
    39,909.83/55,075.94 = 22,005.47/x
  3. Step 3: Cross multiply
    39,909.83x = 55,075.94 × 22,005.47
  4. Step 4: Simplify right side
    39,909.83x = 1,211,971,945.39
  5. Step 5: Solve for x
    x = 1,211,971,945.39/39,909.83
  6. Step 6: Final answer
    x = 30,367.76

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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.