Home / 39,909.44-55,075.42-22,005.06

Finding the Fourth Proportional to 39,909.44, 55,075.42 and 22,005.06

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Solution

The fourth proportional to 39,909.44, 55,075.42 and 22,005.06 is: 30,367.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,909.44 : 55,075.42 = 22,005.06 : x
  2. Step 2: Convert to fraction form
    39,909.44/55,075.42 = 22,005.06/x
  3. Step 3: Cross multiply
    39,909.44x = 55,075.42 × 22,005.06
  4. Step 4: Simplify right side
    39,909.44x = 1,211,937,921.63
  5. Step 5: Solve for x
    x = 1,211,937,921.63/39,909.44
  6. Step 6: Final answer
    x = 30,367.20

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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.