Home / 32,911.60-49,367.40-18,914.80

Finding the Fourth Proportional to 32,911.60, 49,367.40 and 18,914.80

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Solution

The fourth proportional to 32,911.60, 49,367.40 and 18,914.80 is: 28,372.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,911.60 : 49,367.40 = 18,914.80 : x
  2. Step 2: Convert to fraction form
    32,911.60/49,367.40 = 18,914.80/x
  3. Step 3: Cross multiply
    32,911.60x = 49,367.40 × 18,914.80
  4. Step 4: Simplify right side
    32,911.60x = 933,774,497.52
  5. Step 5: Solve for x
    x = 933,774,497.52/32,911.60
  6. Step 6: Final answer
    x = 28,372.20

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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.