Home / 39,420.40-59,092.20-35,273.20

Finding the Fourth Proportional to 39,420.40, 59,092.20 and 35,273.20

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Solution

The fourth proportional to 39,420.40, 59,092.20 and 35,273.20 is: 52,875.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,420.40 : 59,092.20 = 35,273.20 : x
  2. Step 2: Convert to fraction form
    39,420.40/59,092.20 = 35,273.20/x
  3. Step 3: Cross multiply
    39,420.40x = 59,092.20 × 35,273.20
  4. Step 4: Simplify right side
    39,420.40x = 2,084,370,989.04
  5. Step 5: Solve for x
    x = 2,084,370,989.04/39,420.40
  6. Step 6: Final answer
    x = 52,875.44

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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.