Home / 39,909.46-55,075.28-22,004.15

Finding the Fourth Proportional to 39,909.46, 55,075.28 and 22,004.15

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Solution

The fourth proportional to 39,909.46, 55,075.28 and 22,004.15 is: 30,365.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,909.46 : 55,075.28 = 22,004.15 : x
  2. Step 2: Convert to fraction form
    39,909.46/55,075.28 = 22,004.15/x
  3. Step 3: Cross multiply
    39,909.46x = 55,075.28 × 22,004.15
  4. Step 4: Simplify right side
    39,909.46x = 1,211,884,612.39
  5. Step 5: Solve for x
    x = 1,211,884,612.39/39,909.46
  6. Step 6: Final answer
    x = 30,365.85

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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.