Home / 38,455.80-57,689.64-16,269.30

Finding the Fourth Proportional to 38,455.80, 57,689.64 and 16,269.30

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Solution

The fourth proportional to 38,455.80, 57,689.64 and 16,269.30 is: 24,406.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,455.80 : 57,689.64 = 16,269.30 : x
  2. Step 2: Convert to fraction form
    38,455.80/57,689.64 = 16,269.30/x
  3. Step 3: Cross multiply
    38,455.80x = 57,689.64 × 16,269.30
  4. Step 4: Simplify right side
    38,455.80x = 938,570,060.05
  5. Step 5: Solve for x
    x = 938,570,060.05/38,455.80
  6. Step 6: Final answer
    x = 24,406.46

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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.