Home / 39,872.34-55,024.11-22,877.34

Finding the Fourth Proportional to 39,872.34, 55,024.11 and 22,877.34

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Solution

The fourth proportional to 39,872.34, 55,024.11 and 22,877.34 is: 31,570.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,872.34 : 55,024.11 = 22,877.34 : x
  2. Step 2: Convert to fraction form
    39,872.34/55,024.11 = 22,877.34/x
  3. Step 3: Cross multiply
    39,872.34x = 55,024.11 × 22,877.34
  4. Step 4: Simplify right side
    39,872.34x = 1,258,805,272.67
  5. Step 5: Solve for x
    x = 1,258,805,272.67/39,872.34
  6. Step 6: Final answer
    x = 31,570.89

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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.