Home / 35,314.11-48,742.41-20,211.51

Finding the Fourth Proportional to 35,314.11, 48,742.41 and 20,211.51

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Solution

The fourth proportional to 35,314.11, 48,742.41 and 20,211.51 is: 27,897.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,314.11 : 48,742.41 = 20,211.51 : x
  2. Step 2: Convert to fraction form
    35,314.11/48,742.41 = 20,211.51/x
  3. Step 3: Cross multiply
    35,314.11x = 48,742.41 × 20,211.51
  4. Step 4: Simplify right side
    35,314.11x = 985,157,707.14
  5. Step 5: Solve for x
    x = 985,157,707.14/35,314.11
  6. Step 6: Final answer
    x = 27,897.00

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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.