Home / 32,485.43-48,688.90-15,820.49

Finding the Fourth Proportional to 32,485.43, 48,688.90 and 15,820.49

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Solution

The fourth proportional to 32,485.43, 48,688.90 and 15,820.49 is: 23,711.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,485.43 : 48,688.90 = 15,820.49 : x
  2. Step 2: Convert to fraction form
    32,485.43/48,688.90 = 15,820.49/x
  3. Step 3: Cross multiply
    32,485.43x = 48,688.90 × 15,820.49
  4. Step 4: Simplify right side
    32,485.43x = 770,282,255.56
  5. Step 5: Solve for x
    x = 770,282,255.56/32,485.43
  6. Step 6: Final answer
    x = 23,711.62

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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.