Home / 36,038.28-49,727.61-21,888.39

Finding the Fourth Proportional to 36,038.28, 49,727.61 and 21,888.39

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Solution

The fourth proportional to 36,038.28, 49,727.61 and 21,888.39 is: 30,202.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,038.28 : 49,727.61 = 21,888.39 : x
  2. Step 2: Convert to fraction form
    36,038.28/49,727.61 = 21,888.39/x
  3. Step 3: Cross multiply
    36,038.28x = 49,727.61 × 21,888.39
  4. Step 4: Simplify right side
    36,038.28x = 1,088,457,321.45
  5. Step 5: Solve for x
    x = 1,088,457,321.45/36,038.28
  6. Step 6: Final answer
    x = 30,202.81

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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.