Home / 38,272.56-57,408.36-13,312.14

Finding the Fourth Proportional to 38,272.56, 57,408.36 and 13,312.14

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Solution

The fourth proportional to 38,272.56, 57,408.36 and 13,312.14 is: 19,968.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,272.56 : 57,408.36 = 13,312.14 : x
  2. Step 2: Convert to fraction form
    38,272.56/57,408.36 = 13,312.14/x
  3. Step 3: Cross multiply
    38,272.56x = 57,408.36 × 13,312.14
  4. Step 4: Simplify right side
    38,272.56x = 764,228,125.49
  5. Step 5: Solve for x
    x = 764,228,125.49/38,272.56
  6. Step 6: Final answer
    x = 19,968.04

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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.