Home / 19,640.50-29,461.67-5,601.49

Finding the Fourth Proportional to 19,640.50, 29,461.67 and 5,601.49

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Solution

The fourth proportional to 19,640.50, 29,461.67 and 5,601.49 is: 8,402.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,640.50 : 29,461.67 = 5,601.49 : x
  2. Step 2: Convert to fraction form
    19,640.50/29,461.67 = 5,601.49/x
  3. Step 3: Cross multiply
    19,640.50x = 29,461.67 × 5,601.49
  4. Step 4: Simplify right side
    19,640.50x = 165,029,249.89
  5. Step 5: Solve for x
    x = 165,029,249.89/19,640.50
  6. Step 6: Final answer
    x = 8,402.50

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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.