Home / 32,763.60-49,145.40-8,139.60

Finding the Fourth Proportional to 32,763.60, 49,145.40 and 8,139.60

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Solution

The fourth proportional to 32,763.60, 49,145.40 and 8,139.60 is: 12,209.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,763.60 : 49,145.40 = 8,139.60 : x
  2. Step 2: Convert to fraction form
    32,763.60/49,145.40 = 8,139.60/x
  3. Step 3: Cross multiply
    32,763.60x = 49,145.40 × 8,139.60
  4. Step 4: Simplify right side
    32,763.60x = 400,023,897.84
  5. Step 5: Solve for x
    x = 400,023,897.84/32,763.60
  6. Step 6: Final answer
    x = 12,209.40

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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.