Home / 38,166.32-52,670.37-21,170.01

Finding the Fourth Proportional to 38,166.32, 52,670.37 and 21,170.01

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Solution

The fourth proportional to 38,166.32, 52,670.37 and 21,170.01 is: 29,215.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,166.32 : 52,670.37 = 21,170.01 : x
  2. Step 2: Convert to fraction form
    38,166.32/52,670.37 = 21,170.01/x
  3. Step 3: Cross multiply
    38,166.32x = 52,670.37 × 21,170.01
  4. Step 4: Simplify right side
    38,166.32x = 1,115,032,259.60
  5. Step 5: Solve for x
    x = 1,115,032,259.60/38,166.32
  6. Step 6: Final answer
    x = 29,215.09

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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.