Home / 37,630.96-51,928.56-20,631.92

Finding the Fourth Proportional to 37,630.96, 51,928.56 and 20,631.92

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Solution

The fourth proportional to 37,630.96, 51,928.56 and 20,631.92 is: 28,470.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,630.96 : 51,928.56 = 20,631.92 : x
  2. Step 2: Convert to fraction form
    37,630.96/51,928.56 = 20,631.92/x
  3. Step 3: Cross multiply
    37,630.96x = 51,928.56 × 20,631.92
  4. Step 4: Simplify right side
    37,630.96x = 1,071,385,895.64
  5. Step 5: Solve for x
    x = 1,071,385,895.64/37,630.96
  6. Step 6: Final answer
    x = 28,470.86

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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.