Home / 38,952.24-58,415.10-12,650.46

Finding the Fourth Proportional to 38,952.24, 58,415.10 and 12,650.46

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Solution

The fourth proportional to 38,952.24, 58,415.10 and 12,650.46 is: 18,971.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,952.24 : 58,415.10 = 12,650.46 : x
  2. Step 2: Convert to fraction form
    38,952.24/58,415.10 = 12,650.46/x
  3. Step 3: Cross multiply
    38,952.24x = 58,415.10 × 12,650.46
  4. Step 4: Simplify right side
    38,952.24x = 738,977,885.95
  5. Step 5: Solve for x
    x = 738,977,885.95/38,952.24
  6. Step 6: Final answer
    x = 18,971.38

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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.