Home / 30,326.67-45,502.16-15,540.93

Finding the Fourth Proportional to 30,326.67, 45,502.16 and 15,540.93

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Solution

The fourth proportional to 30,326.67, 45,502.16 and 15,540.93 is: 23,317.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,326.67 : 45,502.16 = 15,540.93 : x
  2. Step 2: Convert to fraction form
    30,326.67/45,502.16 = 15,540.93/x
  3. Step 3: Cross multiply
    30,326.67x = 45,502.16 × 15,540.93
  4. Step 4: Simplify right side
    30,326.67x = 707,145,805.70
  5. Step 5: Solve for x
    x = 707,145,805.70/30,326.67
  6. Step 6: Final answer
    x = 23,317.62

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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.