Home / 40,640.02-55,958.61-35,575.90

Finding the Fourth Proportional to 40,640.02, 55,958.61 and 35,575.90

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Solution

The fourth proportional to 40,640.02, 55,958.61 and 35,575.90 is: 48,985.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,640.02 : 55,958.61 = 35,575.90 : x
  2. Step 2: Convert to fraction form
    40,640.02/55,958.61 = 35,575.90/x
  3. Step 3: Cross multiply
    40,640.02x = 55,958.61 × 35,575.90
  4. Step 4: Simplify right side
    40,640.02x = 1,990,777,907.01
  5. Step 5: Solve for x
    x = 1,990,777,907.01/40,640.02
  6. Step 6: Final answer
    x = 48,985.66

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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.