Home / 38,156.77-52,656.73-21,161.35

Finding the Fourth Proportional to 38,156.77, 52,656.73 and 21,161.35

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Solution

The fourth proportional to 38,156.77, 52,656.73 and 21,161.35 is: 29,202.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,156.77 : 52,656.73 = 21,161.35 : x
  2. Step 2: Convert to fraction form
    38,156.77/52,656.73 = 21,161.35/x
  3. Step 3: Cross multiply
    38,156.77x = 52,656.73 × 21,161.35
  4. Step 4: Simplify right side
    38,156.77x = 1,114,287,625.34
  5. Step 5: Solve for x
    x = 1,114,287,625.34/38,156.77
  6. Step 6: Final answer
    x = 29,202.88

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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.