Home / 35,222.35-52,836.79-12,738.65

Finding the Fourth Proportional to 35,222.35, 52,836.79 and 12,738.65

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Solution

The fourth proportional to 35,222.35, 52,836.79 and 12,738.65 is: 19,109.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,222.35 : 52,836.79 = 12,738.65 : x
  2. Step 2: Convert to fraction form
    35,222.35/52,836.79 = 12,738.65/x
  3. Step 3: Cross multiply
    35,222.35x = 52,836.79 × 12,738.65
  4. Step 4: Simplify right side
    35,222.35x = 673,069,374.93
  5. Step 5: Solve for x
    x = 673,069,374.93/35,222.35
  6. Step 6: Final answer
    x = 19,109.16

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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.