Home / 40,758.76-56,201.88-28,801.54

Finding the Fourth Proportional to 40,758.76, 56,201.88 and 28,801.54

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Solution

The fourth proportional to 40,758.76, 56,201.88 and 28,801.54 is: 39,714.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,758.76 : 56,201.88 = 28,801.54 : x
  2. Step 2: Convert to fraction form
    40,758.76/56,201.88 = 28,801.54/x
  3. Step 3: Cross multiply
    40,758.76x = 56,201.88 × 28,801.54
  4. Step 4: Simplify right side
    40,758.76x = 1,618,700,694.90
  5. Step 5: Solve for x
    x = 1,618,700,694.90/40,758.76
  6. Step 6: Final answer
    x = 39,714.18

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1.5x scale

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.