Home / 41,207.70-61,811.55-28,085.70

Finding the Fourth Proportional to 41,207.70, 61,811.55 and 28,085.70

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Solution

The fourth proportional to 41,207.70, 61,811.55 and 28,085.70 is: 42,128.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,207.70 : 61,811.55 = 28,085.70 : x
  2. Step 2: Convert to fraction form
    41,207.70/61,811.55 = 28,085.70/x
  3. Step 3: Cross multiply
    41,207.70x = 61,811.55 × 28,085.70
  4. Step 4: Simplify right side
    41,207.70x = 1,736,020,649.84
  5. Step 5: Solve for x
    x = 1,736,020,649.84/41,207.70
  6. Step 6: Final answer
    x = 42,128.55

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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.