Home / 51,545.51-71,131.60-30,326.14

Finding the Fourth Proportional to 51,545.51, 71,131.60 and 30,326.14

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Solution

The fourth proportional to 51,545.51, 71,131.60 and 30,326.14 is: 41,849.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,545.51 : 71,131.60 = 30,326.14 : x
  2. Step 2: Convert to fraction form
    51,545.51/71,131.60 = 30,326.14/x
  3. Step 3: Cross multiply
    51,545.51x = 71,131.60 × 30,326.14
  4. Step 4: Simplify right side
    51,545.51x = 2,157,146,860.02
  5. Step 5: Solve for x
    x = 2,157,146,860.02/51,545.51
  6. Step 6: Final answer
    x = 41,849.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.