Home / 47,208.72-65,147.48-25,987.52

Finding the Fourth Proportional to 47,208.72, 65,147.48 and 25,987.52

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Solution

The fourth proportional to 47,208.72, 65,147.48 and 25,987.52 is: 35,862.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,208.72 : 65,147.48 = 25,987.52 : x
  2. Step 2: Convert to fraction form
    47,208.72/65,147.48 = 25,987.52/x
  3. Step 3: Cross multiply
    47,208.72x = 65,147.48 × 25,987.52
  4. Step 4: Simplify right side
    47,208.72x = 1,693,021,439.45
  5. Step 5: Solve for x
    x = 1,693,021,439.45/47,208.72
  6. Step 6: Final answer
    x = 35,862.47

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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.