Home / 38,149.32-52,644.60-21,154.26

Finding the Fourth Proportional to 38,149.32, 52,644.60 and 21,154.26

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Solution

The fourth proportional to 38,149.32, 52,644.60 and 21,154.26 is: 29,192.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,149.32 : 52,644.60 = 21,154.26 : x
  2. Step 2: Convert to fraction form
    38,149.32/52,644.60 = 21,154.26/x
  3. Step 3: Cross multiply
    38,149.32x = 52,644.60 × 21,154.26
  4. Step 4: Simplify right side
    38,149.32x = 1,113,657,556.00
  5. Step 5: Solve for x
    x = 1,113,657,556.00/38,149.32
  6. Step 6: Final answer
    x = 29,192.07

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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.