Home / 41,638.72-57,460.56-22,775.20

Finding the Fourth Proportional to 41,638.72, 57,460.56 and 22,775.20

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Solution

The fourth proportional to 41,638.72, 57,460.56 and 22,775.20 is: 31,429.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,638.72 : 57,460.56 = 22,775.20 : x
  2. Step 2: Convert to fraction form
    41,638.72/57,460.56 = 22,775.20/x
  3. Step 3: Cross multiply
    41,638.72x = 57,460.56 × 22,775.20
  4. Step 4: Simplify right side
    41,638.72x = 1,308,675,746.11
  5. Step 5: Solve for x
    x = 1,308,675,746.11/41,638.72
  6. Step 6: Final answer
    x = 31,429.30

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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.