Home / 35,904.28-49,550.80-19,990.20

Finding the Fourth Proportional to 35,904.28, 49,550.80 and 19,990.20

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Solution

The fourth proportional to 35,904.28, 49,550.80 and 19,990.20 is: 27,588.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,904.28 : 49,550.80 = 19,990.20 : x
  2. Step 2: Convert to fraction form
    35,904.28/49,550.80 = 19,990.20/x
  3. Step 3: Cross multiply
    35,904.28x = 49,550.80 × 19,990.20
  4. Step 4: Simplify right side
    35,904.28x = 990,530,402.16
  5. Step 5: Solve for x
    x = 990,530,402.16/35,904.28
  6. Step 6: Final answer
    x = 27,588.09

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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.