Home / 42,610.34-63,918.48-13,025.90

Finding the Fourth Proportional to 42,610.34, 63,918.48 and 13,025.90

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Solution

The fourth proportional to 42,610.34, 63,918.48 and 13,025.90 is: 19,539.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,610.34 : 63,918.48 = 13,025.90 : x
  2. Step 2: Convert to fraction form
    42,610.34/63,918.48 = 13,025.90/x
  3. Step 3: Cross multiply
    42,610.34x = 63,918.48 × 13,025.90
  4. Step 4: Simplify right side
    42,610.34x = 832,595,728.63
  5. Step 5: Solve for x
    x = 832,595,728.63/42,610.34
  6. Step 6: Final answer
    x = 19,539.76

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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.