Home / 38,296.08-52,847.56-21,530.16

Finding the Fourth Proportional to 38,296.08, 52,847.56 and 21,530.16

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Solution

The fourth proportional to 38,296.08, 52,847.56 and 21,530.16 is: 29,711.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,296.08 : 52,847.56 = 21,530.16 : x
  2. Step 2: Convert to fraction form
    38,296.08/52,847.56 = 21,530.16/x
  3. Step 3: Cross multiply
    38,296.08x = 52,847.56 × 21,530.16
  4. Step 4: Simplify right side
    38,296.08x = 1,137,816,422.41
  5. Step 5: Solve for x
    x = 1,137,816,422.41/38,296.08
  6. Step 6: Final answer
    x = 29,711.04

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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.