Home / 55,569.08-76,721.10-49,590.48

Finding the Fourth Proportional to 55,569.08, 76,721.10 and 49,590.48

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Solution

The fourth proportional to 55,569.08, 76,721.10 and 49,590.48 is: 68,466.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,569.08 : 76,721.10 = 49,590.48 : x
  2. Step 2: Convert to fraction form
    55,569.08/76,721.10 = 49,590.48/x
  3. Step 3: Cross multiply
    55,569.08x = 76,721.10 × 49,590.48
  4. Step 4: Simplify right side
    55,569.08x = 3,804,636,175.13
  5. Step 5: Solve for x
    x = 3,804,636,175.13/55,569.08
  6. Step 6: Final answer
    x = 68,466.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.