Home / 47,238.64-65,220.68-29,360.32

Finding the Fourth Proportional to 47,238.64, 65,220.68 and 29,360.32

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Solution

The fourth proportional to 47,238.64, 65,220.68 and 29,360.32 is: 40,536.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,238.64 : 65,220.68 = 29,360.32 : x
  2. Step 2: Convert to fraction form
    47,238.64/65,220.68 = 29,360.32/x
  3. Step 3: Cross multiply
    47,238.64x = 65,220.68 × 29,360.32
  4. Step 4: Simplify right side
    47,238.64x = 1,914,900,035.42
  5. Step 5: Solve for x
    x = 1,914,900,035.42/47,238.64
  6. Step 6: Final answer
    x = 40,536.73

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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.