Home / 35,424.20-48,887.21-20,111.82

Finding the Fourth Proportional to 35,424.20, 48,887.21 and 20,111.82

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Solution

The fourth proportional to 35,424.20, 48,887.21 and 20,111.82 is: 27,755.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,424.20 : 48,887.21 = 20,111.82 : x
  2. Step 2: Convert to fraction form
    35,424.20/48,887.21 = 20,111.82/x
  3. Step 3: Cross multiply
    35,424.20x = 48,887.21 × 20,111.82
  4. Step 4: Simplify right side
    35,424.20x = 983,210,767.82
  5. Step 5: Solve for x
    x = 983,210,767.82/35,424.20
  6. Step 6: Final answer
    x = 27,755.34

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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.