Home / 36,019.25-49,703.82-20,909.47

Finding the Fourth Proportional to 36,019.25, 49,703.82 and 20,909.47

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Solution

The fourth proportional to 36,019.25, 49,703.82 and 20,909.47 is: 28,853.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,019.25 : 49,703.82 = 20,909.47 : x
  2. Step 2: Convert to fraction form
    36,019.25/49,703.82 = 20,909.47/x
  3. Step 3: Cross multiply
    36,019.25x = 49,703.82 × 20,909.47
  4. Step 4: Simplify right side
    36,019.25x = 1,039,280,533.18
  5. Step 5: Solve for x
    x = 1,039,280,533.18/36,019.25
  6. Step 6: Final answer
    x = 28,853.48

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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.