Home / 52,401.42-78,640.20-39,289.14

Finding the Fourth Proportional to 52,401.42, 78,640.20 and 39,289.14

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Solution

The fourth proportional to 52,401.42, 78,640.20 and 39,289.14 is: 58,962.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,401.42 : 78,640.20 = 39,289.14 : x
  2. Step 2: Convert to fraction form
    52,401.42/78,640.20 = 39,289.14/x
  3. Step 3: Cross multiply
    52,401.42x = 78,640.20 × 39,289.14
  4. Step 4: Simplify right side
    52,401.42x = 3,089,705,827.43
  5. Step 5: Solve for x
    x = 3,089,705,827.43/52,401.42
  6. Step 6: Final answer
    x = 58,962.25

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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.