Home / 38,424.92-57,644.34-18,703.46

Finding the Fourth Proportional to 38,424.92, 57,644.34 and 18,703.46

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Solution

The fourth proportional to 38,424.92, 57,644.34 and 18,703.46 is: 28,058.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,424.92 : 57,644.34 = 18,703.46 : x
  2. Step 2: Convert to fraction form
    38,424.92/57,644.34 = 18,703.46/x
  3. Step 3: Cross multiply
    38,424.92x = 57,644.34 × 18,703.46
  4. Step 4: Simplify right side
    38,424.92x = 1,078,148,607.42
  5. Step 5: Solve for x
    x = 1,078,148,607.42/38,424.92
  6. Step 6: Final answer
    x = 28,058.58

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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.