Home / 37,119.72-55,678.77-9,039.90

Finding the Fourth Proportional to 37,119.72, 55,678.77 and 9,039.90

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Solution

The fourth proportional to 37,119.72, 55,678.77 and 9,039.90 is: 13,559.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,119.72 : 55,678.77 = 9,039.90 : x
  2. Step 2: Convert to fraction form
    37,119.72/55,678.77 = 9,039.90/x
  3. Step 3: Cross multiply
    37,119.72x = 55,678.77 × 9,039.90
  4. Step 4: Simplify right side
    37,119.72x = 503,330,512.92
  5. Step 5: Solve for x
    x = 503,330,512.92/37,119.72
  6. Step 6: Final answer
    x = 13,559.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.