Home / 61,244.46-91,879.12-19,122.84

Finding the Fourth Proportional to 61,244.46, 91,879.12 and 19,122.84

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Solution

The fourth proportional to 61,244.46, 91,879.12 and 19,122.84 is: 28,688.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,244.46 : 91,879.12 = 19,122.84 : x
  2. Step 2: Convert to fraction form
    61,244.46/91,879.12 = 19,122.84/x
  3. Step 3: Cross multiply
    61,244.46x = 91,879.12 × 19,122.84
  4. Step 4: Simplify right side
    61,244.46x = 1,756,989,711.10
  5. Step 5: Solve for x
    x = 1,756,989,711.10/61,244.46
  6. Step 6: Final answer
    x = 28,688.14

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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.