Home / 37,154.66-55,740.20-19,620.40

Finding the Fourth Proportional to 37,154.66, 55,740.20 and 19,620.40

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Solution

The fourth proportional to 37,154.66, 55,740.20 and 19,620.40 is: 29,434.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,154.66 : 55,740.20 = 19,620.40 : x
  2. Step 2: Convert to fraction form
    37,154.66/55,740.20 = 19,620.40/x
  3. Step 3: Cross multiply
    37,154.66x = 55,740.20 × 19,620.40
  4. Step 4: Simplify right side
    37,154.66x = 1,093,645,020.08
  5. Step 5: Solve for x
    x = 1,093,645,020.08/37,154.66
  6. Step 6: Final answer
    x = 29,434.94

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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.