Home / 36,678.67-50,617.77-20,762.79

Finding the Fourth Proportional to 36,678.67, 50,617.77 and 20,762.79

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Solution

The fourth proportional to 36,678.67, 50,617.77 and 20,762.79 is: 28,653.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,678.67 : 50,617.77 = 20,762.79 : x
  2. Step 2: Convert to fraction form
    36,678.67/50,617.77 = 20,762.79/x
  3. Step 3: Cross multiply
    36,678.67x = 50,617.77 × 20,762.79
  4. Step 4: Simplify right side
    36,678.67x = 1,050,966,128.78
  5. Step 5: Solve for x
    x = 1,050,966,128.78/36,678.67
  6. Step 6: Final answer
    x = 28,653.33

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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.