Home / 39,909.24-55,075.12-22,004.88

Finding the Fourth Proportional to 39,909.24, 55,075.12 and 22,004.88

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Solution

The fourth proportional to 39,909.24, 55,075.12 and 22,004.88 is: 30,366.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,909.24 : 55,075.12 = 22,004.88 : x
  2. Step 2: Convert to fraction form
    39,909.24/55,075.12 = 22,004.88/x
  3. Step 3: Cross multiply
    39,909.24x = 55,075.12 × 22,004.88
  4. Step 4: Simplify right side
    39,909.24x = 1,211,921,406.59
  5. Step 5: Solve for x
    x = 1,211,921,406.59/39,909.24
  6. Step 6: Final answer
    x = 30,366.94

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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.