Home / 35,328.17-48,755.60-20,225.57

Finding the Fourth Proportional to 35,328.17, 48,755.60 and 20,225.57

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Solution

The fourth proportional to 35,328.17, 48,755.60 and 20,225.57 is: 27,912.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,328.17 : 48,755.60 = 20,225.57 : x
  2. Step 2: Convert to fraction form
    35,328.17/48,755.60 = 20,225.57/x
  3. Step 3: Cross multiply
    35,328.17x = 48,755.60 × 20,225.57
  4. Step 4: Simplify right side
    35,328.17x = 986,109,821.45
  5. Step 5: Solve for x
    x = 986,109,821.45/35,328.17
  6. Step 6: Final answer
    x = 27,912.85

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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.