Home / 38,593.78-53,261.88-21,599.98

Finding the Fourth Proportional to 38,593.78, 53,261.88 and 21,599.98

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Solution

The fourth proportional to 38,593.78, 53,261.88 and 21,599.98 is: 29,809.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,593.78 : 53,261.88 = 21,599.98 : x
  2. Step 2: Convert to fraction form
    38,593.78/53,261.88 = 21,599.98/x
  3. Step 3: Cross multiply
    38,593.78x = 53,261.88 × 21,599.98
  4. Step 4: Simplify right side
    38,593.78x = 1,150,455,542.76
  5. Step 5: Solve for x
    x = 1,150,455,542.76/38,593.78
  6. Step 6: Final answer
    x = 29,809.35

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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.