Home / 32,545.20-48,720.60-19,390.80

Finding the Fourth Proportional to 32,545.20, 48,720.60 and 19,390.80

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Solution

The fourth proportional to 32,545.20, 48,720.60 and 19,390.80 is: 29,028.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,545.20 : 48,720.60 = 19,390.80 : x
  2. Step 2: Convert to fraction form
    32,545.20/48,720.60 = 19,390.80/x
  3. Step 3: Cross multiply
    32,545.20x = 48,720.60 × 19,390.80
  4. Step 4: Simplify right side
    32,545.20x = 944,731,410.48
  5. Step 5: Solve for x
    x = 944,731,410.48/32,545.20
  6. Step 6: Final answer
    x = 29,028.29

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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.