Home / 39,455.15-54,424.24-25,283.39

Finding the Fourth Proportional to 39,455.15, 54,424.24 and 25,283.39

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Solution

The fourth proportional to 39,455.15, 54,424.24 and 25,283.39 is: 34,875.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,455.15 : 54,424.24 = 25,283.39 : x
  2. Step 2: Convert to fraction form
    39,455.15/54,424.24 = 25,283.39/x
  3. Step 3: Cross multiply
    39,455.15x = 54,424.24 × 25,283.39
  4. Step 4: Simplify right side
    39,455.15x = 1,376,028,950.04
  5. Step 5: Solve for x
    x = 1,376,028,950.04/39,455.15
  6. Step 6: Final answer
    x = 34,875.78

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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.