Home / 36,723.09-50,686.02-20,816.31

Finding the Fourth Proportional to 36,723.09, 50,686.02 and 20,816.31

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Solution

The fourth proportional to 36,723.09, 50,686.02 and 20,816.31 is: 28,731.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,723.09 : 50,686.02 = 20,816.31 : x
  2. Step 2: Convert to fraction form
    36,723.09/50,686.02 = 20,816.31/x
  3. Step 3: Cross multiply
    36,723.09x = 50,686.02 × 20,816.31
  4. Step 4: Simplify right side
    36,723.09x = 1,055,095,904.99
  5. Step 5: Solve for x
    x = 1,055,095,904.99/36,723.09
  6. Step 6: Final answer
    x = 28,731.13

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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.