Home / 61,440.49-92,160.65-19,324.27

Finding the Fourth Proportional to 61,440.49, 92,160.65 and 19,324.27

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Solution

The fourth proportional to 61,440.49, 92,160.65 and 19,324.27 is: 28,986.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,440.49 : 92,160.65 = 19,324.27 : x
  2. Step 2: Convert to fraction form
    61,440.49/92,160.65 = 19,324.27/x
  3. Step 3: Cross multiply
    61,440.49x = 92,160.65 × 19,324.27
  4. Step 4: Simplify right side
    61,440.49x = 1,780,937,447.49
  5. Step 5: Solve for x
    x = 1,780,937,447.49/61,440.49
  6. Step 6: Final answer
    x = 28,986.38

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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.