Home / 44,780.10-61,785.90-28,845.78

Finding the Fourth Proportional to 44,780.10, 61,785.90 and 28,845.78

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Solution

The fourth proportional to 44,780.10, 61,785.90 and 28,845.78 is: 39,800.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,780.10 : 61,785.90 = 28,845.78 : x
  2. Step 2: Convert to fraction form
    44,780.10/61,785.90 = 28,845.78/x
  3. Step 3: Cross multiply
    44,780.10x = 61,785.90 × 28,845.78
  4. Step 4: Simplify right side
    44,780.10x = 1,782,262,478.50
  5. Step 5: Solve for x
    x = 1,782,262,478.50/44,780.10
  6. Step 6: Final answer
    x = 39,800.32

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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.