Home / 40,059.18-55,220.31-29,972.34

Finding the Fourth Proportional to 40,059.18, 55,220.31 and 29,972.34

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Solution

The fourth proportional to 40,059.18, 55,220.31 and 29,972.34 is: 41,315.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,059.18 : 55,220.31 = 29,972.34 : x
  2. Step 2: Convert to fraction form
    40,059.18/55,220.31 = 29,972.34/x
  3. Step 3: Cross multiply
    40,059.18x = 55,220.31 × 29,972.34
  4. Step 4: Simplify right side
    40,059.18x = 1,655,081,906.23
  5. Step 5: Solve for x
    x = 1,655,081,906.23/40,059.18
  6. Step 6: Final answer
    x = 41,315.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.