Home / 53,401.22-80,101.83-20,128.75

Finding the Fourth Proportional to 53,401.22, 80,101.83 and 20,128.75

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Solution

The fourth proportional to 53,401.22, 80,101.83 and 20,128.75 is: 30,193.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,401.22 : 80,101.83 = 20,128.75 : x
  2. Step 2: Convert to fraction form
    53,401.22/80,101.83 = 20,128.75/x
  3. Step 3: Cross multiply
    53,401.22x = 80,101.83 × 20,128.75
  4. Step 4: Simplify right side
    53,401.22x = 1,612,349,710.61
  5. Step 5: Solve for x
    x = 1,612,349,710.61/53,401.22
  6. Step 6: Final answer
    x = 30,193.13

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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.