Home / 37,761.65-52,109.93-20,765.81

Finding the Fourth Proportional to 37,761.65, 52,109.93 and 20,765.81

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Solution

The fourth proportional to 37,761.65, 52,109.93 and 20,765.81 is: 28,656.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,761.65 : 52,109.93 = 20,765.81 : x
  2. Step 2: Convert to fraction form
    37,761.65/52,109.93 = 20,765.81/x
  3. Step 3: Cross multiply
    37,761.65x = 52,109.93 × 20,765.81
  4. Step 4: Simplify right side
    37,761.65x = 1,082,104,801.66
  5. Step 5: Solve for x
    x = 1,082,104,801.66/37,761.65
  6. Step 6: Final answer
    x = 28,656.18

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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.