Home / 38,302.80-57,456.06-12,007.77

Finding the Fourth Proportional to 38,302.80, 57,456.06 and 12,007.77

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Solution

The fourth proportional to 38,302.80, 57,456.06 and 12,007.77 is: 18,012.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,302.80 : 57,456.06 = 12,007.77 : x
  2. Step 2: Convert to fraction form
    38,302.80/57,456.06 = 12,007.77/x
  3. Step 3: Cross multiply
    38,302.80x = 57,456.06 × 12,007.77
  4. Step 4: Simplify right side
    38,302.80x = 689,919,153.59
  5. Step 5: Solve for x
    x = 689,919,153.59/38,302.80
  6. Step 6: Final answer
    x = 18,012.24

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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.