Home / 39,909.57-55,075.59-22,005.29

Finding the Fourth Proportional to 39,909.57, 55,075.59 and 22,005.29

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Solution

The fourth proportional to 39,909.57, 55,075.59 and 22,005.29 is: 30,367.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,909.57 : 55,075.59 = 22,005.29 : x
  2. Step 2: Convert to fraction form
    39,909.57/55,075.59 = 22,005.29/x
  3. Step 3: Cross multiply
    39,909.57x = 55,075.59 × 22,005.29
  4. Step 4: Simplify right side
    39,909.57x = 1,211,954,054.49
  5. Step 5: Solve for x
    x = 1,211,954,054.49/39,909.57
  6. Step 6: Final answer
    x = 30,367.50

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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.