Home / 34,276.80-47,310.24-21,537.60

Finding the Fourth Proportional to 34,276.80, 47,310.24 and 21,537.60

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Solution

The fourth proportional to 34,276.80, 47,310.24 and 21,537.60 is: 29,727.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,276.80 : 47,310.24 = 21,537.60 : x
  2. Step 2: Convert to fraction form
    34,276.80/47,310.24 = 21,537.60/x
  3. Step 3: Cross multiply
    34,276.80x = 47,310.24 × 21,537.60
  4. Step 4: Simplify right side
    34,276.80x = 1,018,949,025.02
  5. Step 5: Solve for x
    x = 1,018,949,025.02/34,276.80
  6. Step 6: Final answer
    x = 29,727.08

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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.