Home / 35,249.40-52,878.96-20,465.28

Finding the Fourth Proportional to 35,249.40, 52,878.96 and 20,465.28

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Solution

The fourth proportional to 35,249.40, 52,878.96 and 20,465.28 is: 30,700.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,249.40 : 52,878.96 = 20,465.28 : x
  2. Step 2: Convert to fraction form
    35,249.40/52,878.96 = 20,465.28/x
  3. Step 3: Cross multiply
    35,249.40x = 52,878.96 × 20,465.28
  4. Step 4: Simplify right side
    35,249.40x = 1,082,182,722.51
  5. Step 5: Solve for x
    x = 1,082,182,722.51/35,249.40
  6. Step 6: Final answer
    x = 30,700.74

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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.