Home / 36,938.40-55,411.46-11,977.44

Finding the Fourth Proportional to 36,938.40, 55,411.46 and 11,977.44

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Solution

The fourth proportional to 36,938.40, 55,411.46 and 11,977.44 is: 17,967.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,938.40 : 55,411.46 = 11,977.44 : x
  2. Step 2: Convert to fraction form
    36,938.40/55,411.46 = 11,977.44/x
  3. Step 3: Cross multiply
    36,938.40x = 55,411.46 × 11,977.44
  4. Step 4: Simplify right side
    36,938.40x = 663,687,377.58
  5. Step 5: Solve for x
    x = 663,687,377.58/36,938.40
  6. Step 6: Final answer
    x = 17,967.41

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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.