Home / 30,166.88-45,253.55-13,534.34

Finding the Fourth Proportional to 30,166.88, 45,253.55 and 13,534.34

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Solution

The fourth proportional to 30,166.88, 45,253.55 and 13,534.34 is: 20,302.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,166.88 : 45,253.55 = 13,534.34 : x
  2. Step 2: Convert to fraction form
    30,166.88/45,253.55 = 13,534.34/x
  3. Step 3: Cross multiply
    30,166.88x = 45,253.55 × 13,534.34
  4. Step 4: Simplify right side
    30,166.88x = 612,476,739.48
  5. Step 5: Solve for x
    x = 612,476,739.48/30,166.88
  6. Step 6: Final answer
    x = 20,302.96

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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.