Home / 34,900.20-52,353.95-20,125.80

Finding the Fourth Proportional to 34,900.20, 52,353.95 and 20,125.80

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Solution

The fourth proportional to 34,900.20, 52,353.95 and 20,125.80 is: 30,190.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,900.20 : 52,353.95 = 20,125.80 : x
  2. Step 2: Convert to fraction form
    34,900.20/52,353.95 = 20,125.80/x
  3. Step 3: Cross multiply
    34,900.20x = 52,353.95 × 20,125.80
  4. Step 4: Simplify right side
    34,900.20x = 1,053,665,026.28
  5. Step 5: Solve for x
    x = 1,053,665,026.28/34,900.20
  6. Step 6: Final answer
    x = 30,190.80

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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.