Home / 39,909.07-55,074.90-22,004.79

Finding the Fourth Proportional to 39,909.07, 55,074.90 and 22,004.79

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Solution

The fourth proportional to 39,909.07, 55,074.90 and 22,004.79 is: 30,366.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,909.07 : 55,074.90 = 22,004.79 : x
  2. Step 2: Convert to fraction form
    39,909.07/55,074.90 = 22,004.79/x
  3. Step 3: Cross multiply
    39,909.07x = 55,074.90 × 22,004.79
  4. Step 4: Simplify right side
    39,909.07x = 1,211,911,608.77
  5. Step 5: Solve for x
    x = 1,211,911,608.77/39,909.07
  6. Step 6: Final answer
    x = 30,366.82

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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.