Home / 60,945.40-91,427.22-19,401.72

Finding the Fourth Proportional to 60,945.40, 91,427.22 and 19,401.72

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Solution

The fourth proportional to 60,945.40, 91,427.22 and 19,401.72 is: 29,105.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,945.40 : 91,427.22 = 19,401.72 : x
  2. Step 2: Convert to fraction form
    60,945.40/91,427.22 = 19,401.72/x
  3. Step 3: Cross multiply
    60,945.40x = 91,427.22 × 19,401.72
  4. Step 4: Simplify right side
    60,945.40x = 1,773,845,322.82
  5. Step 5: Solve for x
    x = 1,773,845,322.82/60,945.40
  6. Step 6: Final answer
    x = 29,105.48

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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.