Home / 32,420.20-48,659.10-28,042.60

Finding the Fourth Proportional to 32,420.20, 48,659.10 and 28,042.60

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Solution

The fourth proportional to 32,420.20, 48,659.10 and 28,042.60 is: 42,088.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,420.20 : 48,659.10 = 28,042.60 : x
  2. Step 2: Convert to fraction form
    32,420.20/48,659.10 = 28,042.60/x
  3. Step 3: Cross multiply
    32,420.20x = 48,659.10 × 28,042.60
  4. Step 4: Simplify right side
    32,420.20x = 1,364,527,677.66
  5. Step 5: Solve for x
    x = 1,364,527,677.66/32,420.20
  6. Step 6: Final answer
    x = 42,088.81

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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.