Home / 47,296.54-65,270.80-28,173.70

Finding the Fourth Proportional to 47,296.54, 65,270.80 and 28,173.70

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Solution

The fourth proportional to 47,296.54, 65,270.80 and 28,173.70 is: 38,880.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,296.54 : 65,270.80 = 28,173.70 : x
  2. Step 2: Convert to fraction form
    47,296.54/65,270.80 = 28,173.70/x
  3. Step 3: Cross multiply
    47,296.54x = 65,270.80 × 28,173.70
  4. Step 4: Simplify right side
    47,296.54x = 1,838,919,949.11
  5. Step 5: Solve for x
    x = 1,838,919,949.11/47,296.54
  6. Step 6: Final answer
    x = 38,880.65

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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.