Home / 36,205.80-49,966-20,295.36

Finding the Fourth Proportional to 36,205.80, 49,966 and 20,295.36

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Solution

The fourth proportional to 36,205.80, 49,966 and 20,295.36 is: 28,008.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,205.80 : 49,966 = 20,295.36 : x
  2. Step 2: Convert to fraction form
    36,205.80/49,966 = 20,295.36/x
  3. Step 3: Cross multiply
    36,205.80x = 49,966 × 20,295.36
  4. Step 4: Simplify right side
    36,205.80x = 1,014,077,957.76
  5. Step 5: Solve for x
    x = 1,014,077,957.76/36,205.80
  6. Step 6: Final answer
    x = 28,008.72

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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.