Home / 36,317.86-50,002.78-30,991.30

Finding the Fourth Proportional to 36,317.86, 50,002.78 and 30,991.30

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Solution

The fourth proportional to 36,317.86, 50,002.78 and 30,991.30 is: 42,669.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,317.86 : 50,002.78 = 30,991.30 : x
  2. Step 2: Convert to fraction form
    36,317.86/50,002.78 = 30,991.30/x
  3. Step 3: Cross multiply
    36,317.86x = 50,002.78 × 30,991.30
  4. Step 4: Simplify right side
    36,317.86x = 1,549,650,750.84
  5. Step 5: Solve for x
    x = 1,549,650,750.84/36,317.86
  6. Step 6: Final answer
    x = 42,669.12

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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.