Home / 38,165.58-52,667.82-21,398.58

Finding the Fourth Proportional to 38,165.58, 52,667.82 and 21,398.58

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Solution

The fourth proportional to 38,165.58, 52,667.82 and 21,398.58 is: 29,529.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,165.58 : 52,667.82 = 21,398.58 : x
  2. Step 2: Convert to fraction form
    38,165.58/52,667.82 = 21,398.58/x
  3. Step 3: Cross multiply
    38,165.58x = 52,667.82 × 21,398.58
  4. Step 4: Simplify right side
    38,165.58x = 1,127,016,559.70
  5. Step 5: Solve for x
    x = 1,127,016,559.70/38,165.58
  6. Step 6: Final answer
    x = 29,529.66

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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.