Home / 37,766-52,117.08-20,998.64

Finding the Fourth Proportional to 37,766, 52,117.08 and 20,998.64

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Solution

The fourth proportional to 37,766, 52,117.08 and 20,998.64 is: 28,978.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,766 : 52,117.08 = 20,998.64 : x
  2. Step 2: Convert to fraction form
    37,766/52,117.08 = 20,998.64/x
  3. Step 3: Cross multiply
    37,766x = 52,117.08 × 20,998.64
  4. Step 4: Simplify right side
    37,766x = 1,094,387,800.77
  5. Step 5: Solve for x
    x = 1,094,387,800.77/37,766
  6. Step 6: Final answer
    x = 28,978.12

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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.