Home / 61,046.40-91,569.28-19,492.48

Finding the Fourth Proportional to 61,046.40, 91,569.28 and 19,492.48

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Solution

The fourth proportional to 61,046.40, 91,569.28 and 19,492.48 is: 29,238.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,046.40 : 91,569.28 = 19,492.48 : x
  2. Step 2: Convert to fraction form
    61,046.40/91,569.28 = 19,492.48/x
  3. Step 3: Cross multiply
    61,046.40x = 91,569.28 × 19,492.48
  4. Step 4: Simplify right side
    61,046.40x = 1,784,912,359.01
  5. Step 5: Solve for x
    x = 1,784,912,359.01/61,046.40
  6. Step 6: Final answer
    x = 29,238.62

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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.