Home / 38,769.60-53,495.58-22,851.90

Finding the Fourth Proportional to 38,769.60, 53,495.58 and 22,851.90

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Solution

The fourth proportional to 38,769.60, 53,495.58 and 22,851.90 is: 31,531.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,769.60 : 53,495.58 = 22,851.90 : x
  2. Step 2: Convert to fraction form
    38,769.60/53,495.58 = 22,851.90/x
  3. Step 3: Cross multiply
    38,769.60x = 53,495.58 × 22,851.90
  4. Step 4: Simplify right side
    38,769.60x = 1,222,475,644.60
  5. Step 5: Solve for x
    x = 1,222,475,644.60/38,769.60
  6. Step 6: Final answer
    x = 31,531.81

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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.