Home / 37,860.78-52,250.14-20,864.96

Finding the Fourth Proportional to 37,860.78, 52,250.14 and 20,864.96

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Solution

The fourth proportional to 37,860.78, 52,250.14 and 20,864.96 is: 28,794.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,860.78 : 52,250.14 = 20,864.96 : x
  2. Step 2: Convert to fraction form
    37,860.78/52,250.14 = 20,864.96/x
  3. Step 3: Cross multiply
    37,860.78x = 52,250.14 × 20,864.96
  4. Step 4: Simplify right side
    37,860.78x = 1,090,197,081.09
  5. Step 5: Solve for x
    x = 1,090,197,081.09/37,860.78
  6. Step 6: Final answer
    x = 28,794.89

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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.