Home / 32,919.16-49,378.74-18,120.46

Finding the Fourth Proportional to 32,919.16, 49,378.74 and 18,120.46

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Solution

The fourth proportional to 32,919.16, 49,378.74 and 18,120.46 is: 27,180.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,919.16 : 49,378.74 = 18,120.46 : x
  2. Step 2: Convert to fraction form
    32,919.16/49,378.74 = 18,120.46/x
  3. Step 3: Cross multiply
    32,919.16x = 49,378.74 × 18,120.46
  4. Step 4: Simplify right side
    32,919.16x = 894,765,483.02
  5. Step 5: Solve for x
    x = 894,765,483.02/32,919.16
  6. Step 6: Final answer
    x = 27,180.69

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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.