Home / 40,686.21-56,138.76-23,693.22

Finding the Fourth Proportional to 40,686.21, 56,138.76 and 23,693.22

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Solution

The fourth proportional to 40,686.21, 56,138.76 and 23,693.22 is: 32,691.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,686.21 : 56,138.76 = 23,693.22 : x
  2. Step 2: Convert to fraction form
    40,686.21/56,138.76 = 23,693.22/x
  3. Step 3: Cross multiply
    40,686.21x = 56,138.76 × 23,693.22
  4. Step 4: Simplify right side
    40,686.21x = 1,330,107,991.21
  5. Step 5: Solve for x
    x = 1,330,107,991.21/40,686.21
  6. Step 6: Final answer
    x = 32,691.86

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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.