Home / 61,069.36-91,618.35-18,947.29

Finding the Fourth Proportional to 61,069.36, 91,618.35 and 18,947.29

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Solution

The fourth proportional to 61,069.36, 91,618.35 and 18,947.29 is: 28,425.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,069.36 : 91,618.35 = 18,947.29 : x
  2. Step 2: Convert to fraction form
    61,069.36/91,618.35 = 18,947.29/x
  3. Step 3: Cross multiply
    61,069.36x = 91,618.35 × 18,947.29
  4. Step 4: Simplify right side
    61,069.36x = 1,735,919,446.77
  5. Step 5: Solve for x
    x = 1,735,919,446.77/61,069.36
  6. Step 6: Final answer
    x = 28,425.37

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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.