Home / 35,349.73-48,780.75-19,431.12

Finding the Fourth Proportional to 35,349.73, 48,780.75 and 19,431.12

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Solution

The fourth proportional to 35,349.73, 48,780.75 and 19,431.12 is: 26,813.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,349.73 : 48,780.75 = 19,431.12 : x
  2. Step 2: Convert to fraction form
    35,349.73/48,780.75 = 19,431.12/x
  3. Step 3: Cross multiply
    35,349.73x = 48,780.75 × 19,431.12
  4. Step 4: Simplify right side
    35,349.73x = 947,864,606.94
  5. Step 5: Solve for x
    x = 947,864,606.94/35,349.73
  6. Step 6: Final answer
    x = 26,813.91

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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.