Home / 39,971.52-55,157.49-22,974.89

Finding the Fourth Proportional to 39,971.52, 55,157.49 and 22,974.89

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Solution

The fourth proportional to 39,971.52, 55,157.49 and 22,974.89 is: 31,703.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,971.52 : 55,157.49 = 22,974.89 : x
  2. Step 2: Convert to fraction form
    39,971.52/55,157.49 = 22,974.89/x
  3. Step 3: Cross multiply
    39,971.52x = 55,157.49 × 22,974.89
  4. Step 4: Simplify right side
    39,971.52x = 1,267,236,989.64
  5. Step 5: Solve for x
    x = 1,267,236,989.64/39,971.52
  6. Step 6: Final answer
    x = 31,703.50

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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.