Home / 30,197.31-45,255.86-13,554.24

Finding the Fourth Proportional to 30,197.31, 45,255.86 and 13,554.24

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Solution

The fourth proportional to 30,197.31, 45,255.86 and 13,554.24 is: 20,313.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,197.31 : 45,255.86 = 13,554.24 : x
  2. Step 2: Convert to fraction form
    30,197.31/45,255.86 = 13,554.24/x
  3. Step 3: Cross multiply
    30,197.31x = 45,255.86 × 13,554.24
  4. Step 4: Simplify right side
    30,197.31x = 613,408,787.85
  5. Step 5: Solve for x
    x = 613,408,787.85/30,197.31
  6. Step 6: Final answer
    x = 20,313.36

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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.