Home / 38,993.12-53,802.60-23,079.86

Finding the Fourth Proportional to 38,993.12, 53,802.60 and 23,079.86

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Solution

The fourth proportional to 38,993.12, 53,802.60 and 23,079.86 is: 31,845.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,993.12 : 53,802.60 = 23,079.86 : x
  2. Step 2: Convert to fraction form
    38,993.12/53,802.60 = 23,079.86/x
  3. Step 3: Cross multiply
    38,993.12x = 53,802.60 × 23,079.86
  4. Step 4: Simplify right side
    38,993.12x = 1,241,756,475.64
  5. Step 5: Solve for x
    x = 1,241,756,475.64/38,993.12
  6. Step 6: Final answer
    x = 31,845.53

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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.