Home / 58,680.21-80,990.18-38,536.58

Finding the Fourth Proportional to 58,680.21, 80,990.18 and 38,536.58

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Solution

The fourth proportional to 58,680.21, 80,990.18 and 38,536.58 is: 53,188.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,680.21 : 80,990.18 = 38,536.58 : x
  2. Step 2: Convert to fraction form
    58,680.21/80,990.18 = 38,536.58/x
  3. Step 3: Cross multiply
    58,680.21x = 80,990.18 × 38,536.58
  4. Step 4: Simplify right side
    58,680.21x = 3,121,084,249.52
  5. Step 5: Solve for x
    x = 3,121,084,249.52/58,680.21
  6. Step 6: Final answer
    x = 53,188.02

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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.