Home / 37,877.64-52,270.32-21,961.68

Finding the Fourth Proportional to 37,877.64, 52,270.32 and 21,961.68

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Solution

The fourth proportional to 37,877.64, 52,270.32 and 21,961.68 is: 30,306.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,877.64 : 52,270.32 = 21,961.68 : x
  2. Step 2: Convert to fraction form
    37,877.64/52,270.32 = 21,961.68/x
  3. Step 3: Cross multiply
    37,877.64x = 52,270.32 × 21,961.68
  4. Step 4: Simplify right side
    37,877.64x = 1,147,944,041.34
  5. Step 5: Solve for x
    x = 1,147,944,041.34/37,877.64
  6. Step 6: Final answer
    x = 30,306.64

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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.