Home / 38,564.06-57,780.08-21,046.19

Finding the Fourth Proportional to 38,564.06, 57,780.08 and 21,046.19

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Solution

The fourth proportional to 38,564.06, 57,780.08 and 21,046.19 is: 31,533.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,564.06 : 57,780.08 = 21,046.19 : x
  2. Step 2: Convert to fraction form
    38,564.06/57,780.08 = 21,046.19/x
  3. Step 3: Cross multiply
    38,564.06x = 57,780.08 × 21,046.19
  4. Step 4: Simplify right side
    38,564.06x = 1,216,050,436.66
  5. Step 5: Solve for x
    x = 1,216,050,436.66/38,564.06
  6. Step 6: Final answer
    x = 31,533.26

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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.