Home / 45,618.10-62,953.95-28,623

Finding the Fourth Proportional to 45,618.10, 62,953.95 and 28,623

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Solution

The fourth proportional to 45,618.10, 62,953.95 and 28,623 is: 39,500.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,618.10 : 62,953.95 = 28,623 : x
  2. Step 2: Convert to fraction form
    45,618.10/62,953.95 = 28,623/x
  3. Step 3: Cross multiply
    45,618.10x = 62,953.95 × 28,623
  4. Step 4: Simplify right side
    45,618.10x = 1,801,930,910.85
  5. Step 5: Solve for x
    x = 1,801,930,910.85/45,618.10
  6. Step 6: Final answer
    x = 39,500.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.