Home / 47,571.47-65,648.63-28,708.59

Finding the Fourth Proportional to 47,571.47, 65,648.63 and 28,708.59

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Solution

The fourth proportional to 47,571.47, 65,648.63 and 28,708.59 is: 39,617.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,571.47 : 65,648.63 = 28,708.59 : x
  2. Step 2: Convert to fraction form
    47,571.47/65,648.63 = 28,708.59/x
  3. Step 3: Cross multiply
    47,571.47x = 65,648.63 × 28,708.59
  4. Step 4: Simplify right side
    47,571.47x = 1,884,679,759.20
  5. Step 5: Solve for x
    x = 1,884,679,759.20/47,571.47
  6. Step 6: Final answer
    x = 39,617.86

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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.