Home / 40,860.06-61,253.10-28,385.93

Finding the Fourth Proportional to 40,860.06, 61,253.10 and 28,385.93

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Solution

The fourth proportional to 40,860.06, 61,253.10 and 28,385.93 is: 42,553.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,860.06 : 61,253.10 = 28,385.93 : x
  2. Step 2: Convert to fraction form
    40,860.06/61,253.10 = 28,385.93/x
  3. Step 3: Cross multiply
    40,860.06x = 61,253.10 × 28,385.93
  4. Step 4: Simplify right side
    40,860.06x = 1,738,726,208.88
  5. Step 5: Solve for x
    x = 1,738,726,208.88/40,860.06
  6. Step 6: Final answer
    x = 42,553.20

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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.