Home / 61,064.46-91,597.16-18,943.76

Finding the Fourth Proportional to 61,064.46, 91,597.16 and 18,943.76

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Solution

The fourth proportional to 61,064.46, 91,597.16 and 18,943.76 is: 28,415.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,064.46 : 91,597.16 = 18,943.76 : x
  2. Step 2: Convert to fraction form
    61,064.46/91,597.16 = 18,943.76/x
  3. Step 3: Cross multiply
    61,064.46x = 91,597.16 × 18,943.76
  4. Step 4: Simplify right side
    61,064.46x = 1,735,194,063.02
  5. Step 5: Solve for x
    x = 1,735,194,063.02/61,064.46
  6. Step 6: Final answer
    x = 28,415.78

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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.