Home / 36,029.88-49,713.21-20,913.93

Finding the Fourth Proportional to 36,029.88, 49,713.21 and 20,913.93

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Solution

The fourth proportional to 36,029.88, 49,713.21 and 20,913.93 is: 28,856.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,029.88 : 49,713.21 = 20,913.93 : x
  2. Step 2: Convert to fraction form
    36,029.88/49,713.21 = 20,913.93/x
  3. Step 3: Cross multiply
    36,029.88x = 49,713.21 × 20,913.93
  4. Step 4: Simplify right side
    36,029.88x = 1,039,698,594.02
  5. Step 5: Solve for x
    x = 1,039,698,594.02/36,029.88
  6. Step 6: Final answer
    x = 28,856.57

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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.