Home / 37,303.70-51,479.19-20,536.70

Finding the Fourth Proportional to 37,303.70, 51,479.19 and 20,536.70

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Solution

The fourth proportional to 37,303.70, 51,479.19 and 20,536.70 is: 28,340.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,303.70 : 51,479.19 = 20,536.70 : x
  2. Step 2: Convert to fraction form
    37,303.70/51,479.19 = 20,536.70/x
  3. Step 3: Cross multiply
    37,303.70x = 51,479.19 × 20,536.70
  4. Step 4: Simplify right side
    37,303.70x = 1,057,212,423.88
  5. Step 5: Solve for x
    x = 1,057,212,423.88/37,303.70
  6. Step 6: Final answer
    x = 28,340.69

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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.