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Finding the Fourth Proportional to 37,560.40, 51,833.35 and 20,793.40

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Solution

The fourth proportional to 37,560.40, 51,833.35 and 20,793.40 is: 28,694.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,560.40 : 51,833.35 = 20,793.40 : x
  2. Step 2: Convert to fraction form
    37,560.40/51,833.35 = 20,793.40/x
  3. Step 3: Cross multiply
    37,560.40x = 51,833.35 × 20,793.40
  4. Step 4: Simplify right side
    37,560.40x = 1,077,791,579.89
  5. Step 5: Solve for x
    x = 1,077,791,579.89/37,560.40
  6. Step 6: Final answer
    x = 28,694.89

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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.