Home / 38,428.18-57,260.27-34,235.98

Finding the Fourth Proportional to 38,428.18, 57,260.27 and 34,235.98

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Solution

The fourth proportional to 38,428.18, 57,260.27 and 34,235.98 is: 51,013.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,428.18 : 57,260.27 = 34,235.98 : x
  2. Step 2: Convert to fraction form
    38,428.18/57,260.27 = 34,235.98/x
  3. Step 3: Cross multiply
    38,428.18x = 57,260.27 × 34,235.98
  4. Step 4: Simplify right side
    38,428.18x = 1,960,361,288.90
  5. Step 5: Solve for x
    x = 1,960,361,288.90/38,428.18
  6. Step 6: Final answer
    x = 51,013.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.