Home / 47,392.40-65,405.38-27,255.80

Finding the Fourth Proportional to 47,392.40, 65,405.38 and 27,255.80

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Solution

The fourth proportional to 47,392.40, 65,405.38 and 27,255.80 is: 37,615.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,392.40 : 65,405.38 = 27,255.80 : x
  2. Step 2: Convert to fraction form
    47,392.40/65,405.38 = 27,255.80/x
  3. Step 3: Cross multiply
    47,392.40x = 65,405.38 × 27,255.80
  4. Step 4: Simplify right side
    47,392.40x = 1,782,675,956.20
  5. Step 5: Solve for x
    x = 1,782,675,956.20/47,392.40
  6. Step 6: Final answer
    x = 37,615.23

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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.