Home / 38,312.18-57,468.34-12,018.96

Finding the Fourth Proportional to 38,312.18, 57,468.34 and 12,018.96

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Solution

The fourth proportional to 38,312.18, 57,468.34 and 12,018.96 is: 18,028.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,312.18 : 57,468.34 = 12,018.96 : x
  2. Step 2: Convert to fraction form
    38,312.18/57,468.34 = 12,018.96/x
  3. Step 3: Cross multiply
    38,312.18x = 57,468.34 × 12,018.96
  4. Step 4: Simplify right side
    38,312.18x = 690,709,679.73
  5. Step 5: Solve for x
    x = 690,709,679.73/38,312.18
  6. Step 6: Final answer
    x = 18,028.46

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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.