Home / 38,564.56-57,780.83-21,046.69

Finding the Fourth Proportional to 38,564.56, 57,780.83 and 21,046.69

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Solution

The fourth proportional to 38,564.56, 57,780.83 and 21,046.69 is: 31,534.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,564.56 : 57,780.83 = 21,046.69 : x
  2. Step 2: Convert to fraction form
    38,564.56/57,780.83 = 21,046.69/x
  3. Step 3: Cross multiply
    38,564.56x = 57,780.83 × 21,046.69
  4. Step 4: Simplify right side
    38,564.56x = 1,216,095,111.72
  5. Step 5: Solve for x
    x = 1,216,095,111.72/38,564.56
  6. Step 6: Final answer
    x = 31,534.01

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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.