Home / 32,820.64-49,221.36-9,440.80

Finding the Fourth Proportional to 32,820.64, 49,221.36 and 9,440.80

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Solution

The fourth proportional to 32,820.64, 49,221.36 and 9,440.80 is: 14,158.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,820.64 : 49,221.36 = 9,440.80 : x
  2. Step 2: Convert to fraction form
    32,820.64/49,221.36 = 9,440.80/x
  3. Step 3: Cross multiply
    32,820.64x = 49,221.36 × 9,440.80
  4. Step 4: Simplify right side
    32,820.64x = 464,689,015.49
  5. Step 5: Solve for x
    x = 464,689,015.49/32,820.64
  6. Step 6: Final answer
    x = 14,158.44

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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.