Home / 37,039.92-55,535.24-20,407.80

Finding the Fourth Proportional to 37,039.92, 55,535.24 and 20,407.80

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Solution

The fourth proportional to 37,039.92, 55,535.24 and 20,407.80 is: 30,598.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,039.92 : 55,535.24 = 20,407.80 : x
  2. Step 2: Convert to fraction form
    37,039.92/55,535.24 = 20,407.80/x
  3. Step 3: Cross multiply
    37,039.92x = 55,535.24 × 20,407.80
  4. Step 4: Simplify right side
    37,039.92x = 1,133,352,070.87
  5. Step 5: Solve for x
    x = 1,133,352,070.87/37,039.92
  6. Step 6: Final answer
    x = 30,598.12

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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.