Home / 38,658.37-57,989.76-12,006.89

Finding the Fourth Proportional to 38,658.37, 57,989.76 and 12,006.89

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Solution

The fourth proportional to 38,658.37, 57,989.76 and 12,006.89 is: 18,011.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,658.37 : 57,989.76 = 12,006.89 : x
  2. Step 2: Convert to fraction form
    38,658.37/57,989.76 = 12,006.89/x
  3. Step 3: Cross multiply
    38,658.37x = 57,989.76 × 12,006.89
  4. Step 4: Simplify right side
    38,658.37x = 696,276,551.93
  5. Step 5: Solve for x
    x = 696,276,551.93/38,658.37
  6. Step 6: Final answer
    x = 18,011.02

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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.