Home / 36,678.92-50,615.36-20,547.78

Finding the Fourth Proportional to 36,678.92, 50,615.36 and 20,547.78

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Solution

The fourth proportional to 36,678.92, 50,615.36 and 20,547.78 is: 28,355.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,678.92 : 50,615.36 = 20,547.78 : x
  2. Step 2: Convert to fraction form
    36,678.92/50,615.36 = 20,547.78/x
  3. Step 3: Cross multiply
    36,678.92x = 50,615.36 × 20,547.78
  4. Step 4: Simplify right side
    36,678.92x = 1,040,033,281.90
  5. Step 5: Solve for x
    x = 1,040,033,281.90/36,678.92
  6. Step 6: Final answer
    x = 28,355.07

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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.