Home / 47,563.20-65,638.08-28,696.32

Finding the Fourth Proportional to 47,563.20, 65,638.08 and 28,696.32

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Solution

The fourth proportional to 47,563.20, 65,638.08 and 28,696.32 is: 39,601.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,563.20 : 65,638.08 = 28,696.32 : x
  2. Step 2: Convert to fraction form
    47,563.20/65,638.08 = 28,696.32/x
  3. Step 3: Cross multiply
    47,563.20x = 65,638.08 × 28,696.32
  4. Step 4: Simplify right side
    47,563.20x = 1,883,571,347.87
  5. Step 5: Solve for x
    x = 1,883,571,347.87/47,563.20
  6. Step 6: Final answer
    x = 39,601.44

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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.