Home / 34,408.89-51,618.47-12,220.40

Finding the Fourth Proportional to 34,408.89, 51,618.47 and 12,220.40

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Solution

The fourth proportional to 34,408.89, 51,618.47 and 12,220.40 is: 18,332.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,408.89 : 51,618.47 = 12,220.40 : x
  2. Step 2: Convert to fraction form
    34,408.89/51,618.47 = 12,220.40/x
  3. Step 3: Cross multiply
    34,408.89x = 51,618.47 × 12,220.40
  4. Step 4: Simplify right side
    34,408.89x = 630,798,418.73
  5. Step 5: Solve for x
    x = 630,798,418.73/34,408.89
  6. Step 6: Final answer
    x = 18,332.43

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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.