Home / 45,721.67-68,582.52-19,407.96

Finding the Fourth Proportional to 45,721.67, 68,582.52 and 19,407.96

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Solution

The fourth proportional to 45,721.67, 68,582.52 and 19,407.96 is: 29,111.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,721.67 : 68,582.52 = 19,407.96 : x
  2. Step 2: Convert to fraction form
    45,721.67/68,582.52 = 19,407.96/x
  3. Step 3: Cross multiply
    45,721.67x = 68,582.52 × 19,407.96
  4. Step 4: Simplify right side
    45,721.67x = 1,331,046,804.86
  5. Step 5: Solve for x
    x = 1,331,046,804.86/45,721.67
  6. Step 6: Final answer
    x = 29,111.95

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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.