Home / 38,477.24-57,710.06-12,178.56

Finding the Fourth Proportional to 38,477.24, 57,710.06 and 12,178.56

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Solution

The fourth proportional to 38,477.24, 57,710.06 and 12,178.56 is: 18,266.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,477.24 : 57,710.06 = 12,178.56 : x
  2. Step 2: Convert to fraction form
    38,477.24/57,710.06 = 12,178.56/x
  3. Step 3: Cross multiply
    38,477.24x = 57,710.06 × 12,178.56
  4. Step 4: Simplify right side
    38,477.24x = 702,825,428.31
  5. Step 5: Solve for x
    x = 702,825,428.31/38,477.24
  6. Step 6: Final answer
    x = 18,266.00

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1.5x scale

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.