Home / 29,545.09-40,764.96-18,949.07

Finding the Fourth Proportional to 29,545.09, 40,764.96 and 18,949.07

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Solution

The fourth proportional to 29,545.09, 40,764.96 and 18,949.07 is: 26,145.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,545.09 : 40,764.96 = 18,949.07 : x
  2. Step 2: Convert to fraction form
    29,545.09/40,764.96 = 18,949.07/x
  3. Step 3: Cross multiply
    29,545.09x = 40,764.96 × 18,949.07
  4. Step 4: Simplify right side
    29,545.09x = 772,458,182.50
  5. Step 5: Solve for x
    x = 772,458,182.50/29,545.09
  6. Step 6: Final answer
    x = 26,145.06

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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.