Home / 35,370.50-48,818.22-20,273.28

Finding the Fourth Proportional to 35,370.50, 48,818.22 and 20,273.28

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Solution

The fourth proportional to 35,370.50, 48,818.22 and 20,273.28 is: 27,981.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,370.50 : 48,818.22 = 20,273.28 : x
  2. Step 2: Convert to fraction form
    35,370.50/48,818.22 = 20,273.28/x
  3. Step 3: Cross multiply
    35,370.50x = 48,818.22 × 20,273.28
  4. Step 4: Simplify right side
    35,370.50x = 989,705,580.21
  5. Step 5: Solve for x
    x = 989,705,580.21/35,370.50
  6. Step 6: Final answer
    x = 27,981.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.