Home / 38,810.40-58,138.80-23,181.60

Finding the Fourth Proportional to 38,810.40, 58,138.80 and 23,181.60

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Solution

The fourth proportional to 38,810.40, 58,138.80 and 23,181.60 is: 34,726.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,810.40 : 58,138.80 = 23,181.60 : x
  2. Step 2: Convert to fraction form
    38,810.40/58,138.80 = 23,181.60/x
  3. Step 3: Cross multiply
    38,810.40x = 58,138.80 × 23,181.60
  4. Step 4: Simplify right side
    38,810.40x = 1,347,750,406.08
  5. Step 5: Solve for x
    x = 1,347,750,406.08/38,810.40
  6. Step 6: Final answer
    x = 34,726.53

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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.