Home / 53,408.18-80,042.20-39,302.16

Finding the Fourth Proportional to 53,408.18, 80,042.20 and 39,302.16

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Solution

The fourth proportional to 53,408.18, 80,042.20 and 39,302.16 is: 58,901.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,408.18 : 80,042.20 = 39,302.16 : x
  2. Step 2: Convert to fraction form
    53,408.18/80,042.20 = 39,302.16/x
  3. Step 3: Cross multiply
    53,408.18x = 80,042.20 × 39,302.16
  4. Step 4: Simplify right side
    53,408.18x = 3,145,831,351.15
  5. Step 5: Solve for x
    x = 3,145,831,351.15/53,408.18
  6. Step 6: Final answer
    x = 58,901.68

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1.5x scale

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.