Home / 31,388.90-47,083.38-22,070.60

Finding the Fourth Proportional to 31,388.90, 47,083.38 and 22,070.60

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Solution

The fourth proportional to 31,388.90, 47,083.38 and 22,070.60 is: 33,105.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,388.90 : 47,083.38 = 22,070.60 : x
  2. Step 2: Convert to fraction form
    31,388.90/47,083.38 = 22,070.60/x
  3. Step 3: Cross multiply
    31,388.90x = 47,083.38 × 22,070.60
  4. Step 4: Simplify right side
    31,388.90x = 1,039,158,446.63
  5. Step 5: Solve for x
    x = 1,039,158,446.63/31,388.90
  6. Step 6: Final answer
    x = 33,105.92

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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.