Home / 47,272.71-65,238.90-27,129.42

Finding the Fourth Proportional to 47,272.71, 65,238.90 and 27,129.42

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Solution

The fourth proportional to 47,272.71, 65,238.90 and 27,129.42 is: 37,440.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,272.71 : 65,238.90 = 27,129.42 : x
  2. Step 2: Convert to fraction form
    47,272.71/65,238.90 = 27,129.42/x
  3. Step 3: Cross multiply
    47,272.71x = 65,238.90 × 27,129.42
  4. Step 4: Simplify right side
    47,272.71x = 1,769,893,518.44
  5. Step 5: Solve for x
    x = 1,769,893,518.44/47,272.71
  6. Step 6: Final answer
    x = 37,440.07

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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.