Home / 38,181.23-57,258.12-13,214.51

Finding the Fourth Proportional to 38,181.23, 57,258.12 and 13,214.51

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Solution

The fourth proportional to 38,181.23, 57,258.12 and 13,214.51 is: 19,817.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,181.23 : 57,258.12 = 13,214.51 : x
  2. Step 2: Convert to fraction form
    38,181.23/57,258.12 = 13,214.51/x
  3. Step 3: Cross multiply
    38,181.23x = 57,258.12 × 13,214.51
  4. Step 4: Simplify right side
    38,181.23x = 756,637,713.03
  5. Step 5: Solve for x
    x = 756,637,713.03/38,181.23
  6. Step 6: Final answer
    x = 19,817.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.