Home / 38,559.40-57,849.90-18,838.60

Finding the Fourth Proportional to 38,559.40, 57,849.90 and 18,838.60

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Solution

The fourth proportional to 38,559.40, 57,849.90 and 18,838.60 is: 28,263.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,559.40 : 57,849.90 = 18,838.60 : x
  2. Step 2: Convert to fraction form
    38,559.40/57,849.90 = 18,838.60/x
  3. Step 3: Cross multiply
    38,559.40x = 57,849.90 × 18,838.60
  4. Step 4: Simplify right side
    38,559.40x = 1,089,811,126.14
  5. Step 5: Solve for x
    x = 1,089,811,126.14/38,559.40
  6. Step 6: Final answer
    x = 28,263.18

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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.