Home / 42,610.76-63,916.31-13,028.54

Finding the Fourth Proportional to 42,610.76, 63,916.31 and 13,028.54

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Solution

The fourth proportional to 42,610.76, 63,916.31 and 13,028.54 is: 19,542.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,610.76 : 63,916.31 = 13,028.54 : x
  2. Step 2: Convert to fraction form
    42,610.76/63,916.31 = 13,028.54/x
  3. Step 3: Cross multiply
    42,610.76x = 63,916.31 × 13,028.54
  4. Step 4: Simplify right side
    42,610.76x = 832,736,201.49
  5. Step 5: Solve for x
    x = 832,736,201.49/42,610.76
  6. Step 6: Final answer
    x = 19,542.86

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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.