Home / 48,921.90-73,364.22-20,824.22

Finding the Fourth Proportional to 48,921.90, 73,364.22 and 20,824.22

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Solution

The fourth proportional to 48,921.90, 73,364.22 and 20,824.22 is: 31,228.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,921.90 : 73,364.22 = 20,824.22 : x
  2. Step 2: Convert to fraction form
    48,921.90/73,364.22 = 20,824.22/x
  3. Step 3: Cross multiply
    48,921.90x = 73,364.22 × 20,824.22
  4. Step 4: Simplify right side
    48,921.90x = 1,527,752,657.41
  5. Step 5: Solve for x
    x = 1,527,752,657.41/48,921.90
  6. Step 6: Final answer
    x = 31,228.40

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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.