Home / 61,556.77-84,948.71-38,905.80

Finding the Fourth Proportional to 61,556.77, 84,948.71 and 38,905.80

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Solution

The fourth proportional to 61,556.77, 84,948.71 and 38,905.80 is: 53,690.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,556.77 : 84,948.71 = 38,905.80 : x
  2. Step 2: Convert to fraction form
    61,556.77/84,948.71 = 38,905.80/x
  3. Step 3: Cross multiply
    61,556.77x = 84,948.71 × 38,905.80
  4. Step 4: Simplify right side
    61,556.77x = 3,304,997,521.52
  5. Step 5: Solve for x
    x = 3,304,997,521.52/61,556.77
  6. Step 6: Final answer
    x = 53,690.24

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Why These Related Problems?

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