Home / 37,200.21-55,799.13-9,120.33

Finding the Fourth Proportional to 37,200.21, 55,799.13 and 9,120.33

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Solution

The fourth proportional to 37,200.21, 55,799.13 and 9,120.33 is: 13,680.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,200.21 : 55,799.13 = 9,120.33 : x
  2. Step 2: Convert to fraction form
    37,200.21/55,799.13 = 9,120.33/x
  3. Step 3: Cross multiply
    37,200.21x = 55,799.13 × 9,120.33
  4. Step 4: Simplify right side
    37,200.21x = 508,906,479.31
  5. Step 5: Solve for x
    x = 508,906,479.31/37,200.21
  6. Step 6: Final answer
    x = 13,680.20

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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.