Home / 38,420.53-57,592.77-18,406.87

Finding the Fourth Proportional to 38,420.53, 57,592.77 and 18,406.87

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Solution

The fourth proportional to 38,420.53, 57,592.77 and 18,406.87 is: 27,592.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,420.53 : 57,592.77 = 18,406.87 : x
  2. Step 2: Convert to fraction form
    38,420.53/57,592.77 = 18,406.87/x
  3. Step 3: Cross multiply
    38,420.53x = 57,592.77 × 18,406.87
  4. Step 4: Simplify right side
    38,420.53x = 1,060,102,630.33
  5. Step 5: Solve for x
    x = 1,060,102,630.33/38,420.53
  6. Step 6: Final answer
    x = 27,592.09

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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.