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Finding the Fourth Proportional to 37,251.80, 55,877.70 and 21,505.40

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Solution

The fourth proportional to 37,251.80, 55,877.70 and 21,505.40 is: 32,258.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,251.80 : 55,877.70 = 21,505.40 : x
  2. Step 2: Convert to fraction form
    37,251.80/55,877.70 = 21,505.40/x
  3. Step 3: Cross multiply
    37,251.80x = 55,877.70 × 21,505.40
  4. Step 4: Simplify right side
    37,251.80x = 1,201,672,289.58
  5. Step 5: Solve for x
    x = 1,201,672,289.58/37,251.80
  6. Step 6: Final answer
    x = 32,258.10

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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.