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Finding the Fourth Proportional to 37,009.78, 55,514.16 and 8,929.60

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Solution

The fourth proportional to 37,009.78, 55,514.16 and 8,929.60 is: 13,394.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,009.78 : 55,514.16 = 8,929.60 : x
  2. Step 2: Convert to fraction form
    37,009.78/55,514.16 = 8,929.60/x
  3. Step 3: Cross multiply
    37,009.78x = 55,514.16 × 8,929.60
  4. Step 4: Simplify right side
    37,009.78x = 495,719,198.49
  5. Step 5: Solve for x
    x = 495,719,198.49/37,009.78
  6. Step 6: Final answer
    x = 13,394.28

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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.