Home / 35,455.05-48,928.29-19,540.07

Finding the Fourth Proportional to 35,455.05, 48,928.29 and 19,540.07

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Solution

The fourth proportional to 35,455.05, 48,928.29 and 19,540.07 is: 26,965.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,455.05 : 48,928.29 = 19,540.07 : x
  2. Step 2: Convert to fraction form
    35,455.05/48,928.29 = 19,540.07/x
  3. Step 3: Cross multiply
    35,455.05x = 48,928.29 × 19,540.07
  4. Step 4: Simplify right side
    35,455.05x = 956,061,966.94
  5. Step 5: Solve for x
    x = 956,061,966.94/35,455.05
  6. Step 6: Final answer
    x = 26,965.47

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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.