Home / 39,909.74-55,075.59-22,004.39

Finding the Fourth Proportional to 39,909.74, 55,075.59 and 22,004.39

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Solution

The fourth proportional to 39,909.74, 55,075.59 and 22,004.39 is: 30,366.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,909.74 : 55,075.59 = 22,004.39 : x
  2. Step 2: Convert to fraction form
    39,909.74/55,075.59 = 22,004.39/x
  3. Step 3: Cross multiply
    39,909.74x = 55,075.59 × 22,004.39
  4. Step 4: Simplify right side
    39,909.74x = 1,211,904,899.53
  5. Step 5: Solve for x
    x = 1,211,904,899.53/39,909.74
  6. Step 6: Final answer
    x = 30,366.15

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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.