Home / 43,310.12-64,971.33-13,326.84

Finding the Fourth Proportional to 43,310.12, 64,971.33 and 13,326.84

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Solution

The fourth proportional to 43,310.12, 64,971.33 and 13,326.84 is: 19,992.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,310.12 : 64,971.33 = 13,326.84 : x
  2. Step 2: Convert to fraction form
    43,310.12/64,971.33 = 13,326.84/x
  3. Step 3: Cross multiply
    43,310.12x = 64,971.33 × 13,326.84
  4. Step 4: Simplify right side
    43,310.12x = 865,862,519.50
  5. Step 5: Solve for x
    x = 865,862,519.50/43,310.12
  6. Step 6: Final answer
    x = 19,992.15

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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.