Home / 38,145.56-52,633.40-21,149.06

Finding the Fourth Proportional to 38,145.56, 52,633.40 and 21,149.06

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Solution

The fourth proportional to 38,145.56, 52,633.40 and 21,149.06 is: 29,181.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,145.56 : 52,633.40 = 21,149.06 : x
  2. Step 2: Convert to fraction form
    38,145.56/52,633.40 = 21,149.06/x
  3. Step 3: Cross multiply
    38,145.56x = 52,633.40 × 21,149.06
  4. Step 4: Simplify right side
    38,145.56x = 1,113,146,565.69
  5. Step 5: Solve for x
    x = 1,113,146,565.69/38,145.56
  6. Step 6: Final answer
    x = 29,181.55

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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.