Home / 37,215.62-51,357.56-20,448.62

Finding the Fourth Proportional to 37,215.62, 51,357.56 and 20,448.62

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Solution

The fourth proportional to 37,215.62, 51,357.56 and 20,448.62 is: 28,219.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,215.62 : 51,357.56 = 20,448.62 : x
  2. Step 2: Convert to fraction form
    37,215.62/51,357.56 = 20,448.62/x
  3. Step 3: Cross multiply
    37,215.62x = 51,357.56 × 20,448.62
  4. Step 4: Simplify right side
    37,215.62x = 1,050,191,228.57
  5. Step 5: Solve for x
    x = 1,050,191,228.57/37,215.62
  6. Step 6: Final answer
    x = 28,219.10

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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.