Home / 47,327.07-70,963.98-15,720.21

Finding the Fourth Proportional to 47,327.07, 70,963.98 and 15,720.21

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Solution

The fourth proportional to 47,327.07, 70,963.98 and 15,720.21 is: 23,571.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,327.07 : 70,963.98 = 15,720.21 : x
  2. Step 2: Convert to fraction form
    47,327.07/70,963.98 = 15,720.21/x
  3. Step 3: Cross multiply
    47,327.07x = 70,963.98 × 15,720.21
  4. Step 4: Simplify right side
    47,327.07x = 1,115,568,668.04
  5. Step 5: Solve for x
    x = 1,115,568,668.04/47,327.07
  6. Step 6: Final answer
    x = 23,571.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.