Home / 36,815.32-50,811.80-21,707.08

Finding the Fourth Proportional to 36,815.32, 50,811.80 and 21,707.08

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Solution

The fourth proportional to 36,815.32, 50,811.80 and 21,707.08 is: 29,959.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,815.32 : 50,811.80 = 21,707.08 : x
  2. Step 2: Convert to fraction form
    36,815.32/50,811.80 = 21,707.08/x
  3. Step 3: Cross multiply
    36,815.32x = 50,811.80 × 21,707.08
  4. Step 4: Simplify right side
    36,815.32x = 1,102,975,807.54
  5. Step 5: Solve for x
    x = 1,102,975,807.54/36,815.32
  6. Step 6: Final answer
    x = 29,959.70

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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.