Home / 37,215.92-51,358.38-20,448.92

Finding the Fourth Proportional to 37,215.92, 51,358.38 and 20,448.92

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Solution

The fourth proportional to 37,215.92, 51,358.38 and 20,448.92 is: 28,219.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,215.92 : 51,358.38 = 20,448.92 : x
  2. Step 2: Convert to fraction form
    37,215.92/51,358.38 = 20,448.92/x
  3. Step 3: Cross multiply
    37,215.92x = 51,358.38 × 20,448.92
  4. Step 4: Simplify right side
    37,215.92x = 1,050,223,403.95
  5. Step 5: Solve for x
    x = 1,050,223,403.95/37,215.92
  6. Step 6: Final answer
    x = 28,219.74

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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.