Home / 47,364.92-65,366.28-28,239.60

Finding the Fourth Proportional to 47,364.92, 65,366.28 and 28,239.60

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Solution

The fourth proportional to 47,364.92, 65,366.28 and 28,239.60 is: 38,972.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,364.92 : 65,366.28 = 28,239.60 : x
  2. Step 2: Convert to fraction form
    47,364.92/65,366.28 = 28,239.60/x
  3. Step 3: Cross multiply
    47,364.92x = 65,366.28 × 28,239.60
  4. Step 4: Simplify right side
    47,364.92x = 1,845,917,600.69
  5. Step 5: Solve for x
    x = 1,845,917,600.69/47,364.92
  6. Step 6: Final answer
    x = 38,972.26

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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.