Home / 32,415.20-48,525.60-19,260.80

Finding the Fourth Proportional to 32,415.20, 48,525.60 and 19,260.80

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Solution

The fourth proportional to 32,415.20, 48,525.60 and 19,260.80 is: 28,833.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,415.20 : 48,525.60 = 19,260.80 : x
  2. Step 2: Convert to fraction form
    32,415.20/48,525.60 = 19,260.80/x
  3. Step 3: Cross multiply
    32,415.20x = 48,525.60 × 19,260.80
  4. Step 4: Simplify right side
    32,415.20x = 934,641,876.48
  5. Step 5: Solve for x
    x = 934,641,876.48/32,415.20
  6. Step 6: Final answer
    x = 28,833.44

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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.