Home / 38,171.53-57,261.55-13,213.81

Finding the Fourth Proportional to 38,171.53, 57,261.55 and 13,213.81

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Solution

The fourth proportional to 38,171.53, 57,261.55 and 13,213.81 is: 19,822.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,171.53 : 57,261.55 = 13,213.81 : x
  2. Step 2: Convert to fraction form
    38,171.53/57,261.55 = 13,213.81/x
  3. Step 3: Cross multiply
    38,171.53x = 57,261.55 × 13,213.81
  4. Step 4: Simplify right side
    38,171.53x = 756,643,065.82
  5. Step 5: Solve for x
    x = 756,643,065.82/38,171.53
  6. Step 6: Final answer
    x = 19,822.18

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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.