Home / 37,355.52-51,550.40-20,360.80

Finding the Fourth Proportional to 37,355.52, 51,550.40 and 20,360.80

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Solution

The fourth proportional to 37,355.52, 51,550.40 and 20,360.80 is: 28,097.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,355.52 : 51,550.40 = 20,360.80 : x
  2. Step 2: Convert to fraction form
    37,355.52/51,550.40 = 20,360.80/x
  3. Step 3: Cross multiply
    37,355.52x = 51,550.40 × 20,360.80
  4. Step 4: Simplify right side
    37,355.52x = 1,049,607,384.32
  5. Step 5: Solve for x
    x = 1,049,607,384.32/37,355.52
  6. Step 6: Final answer
    x = 28,097.79

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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.