Home / 34,933.88-52,421.84-12,749.19

Finding the Fourth Proportional to 34,933.88, 52,421.84 and 12,749.19

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Solution

The fourth proportional to 34,933.88, 52,421.84 and 12,749.19 is: 19,131.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,933.88 : 52,421.84 = 12,749.19 : x
  2. Step 2: Convert to fraction form
    34,933.88/52,421.84 = 12,749.19/x
  3. Step 3: Cross multiply
    34,933.88x = 52,421.84 × 12,749.19
  4. Step 4: Simplify right side
    34,933.88x = 668,335,934.56
  5. Step 5: Solve for x
    x = 668,335,934.56/34,933.88
  6. Step 6: Final answer
    x = 19,131.46

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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.