Home / 53,401.60-80,102.40-13,962.70

Finding the Fourth Proportional to 53,401.60, 80,102.40 and 13,962.70

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Solution

The fourth proportional to 53,401.60, 80,102.40 and 13,962.70 is: 20,944.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,401.60 : 80,102.40 = 13,962.70 : x
  2. Step 2: Convert to fraction form
    53,401.60/80,102.40 = 13,962.70/x
  3. Step 3: Cross multiply
    53,401.60x = 80,102.40 × 13,962.70
  4. Step 4: Simplify right side
    53,401.60x = 1,118,445,780.48
  5. Step 5: Solve for x
    x = 1,118,445,780.48/53,401.60
  6. Step 6: Final answer
    x = 20,944.05

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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.