Home / 55,545.44-76,668.80-31,685.12

Finding the Fourth Proportional to 55,545.44, 76,668.80 and 31,685.12

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Solution

The fourth proportional to 55,545.44, 76,668.80 and 31,685.12 is: 43,734.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,545.44 : 76,668.80 = 31,685.12 : x
  2. Step 2: Convert to fraction form
    55,545.44/76,668.80 = 31,685.12/x
  3. Step 3: Cross multiply
    55,545.44x = 76,668.80 × 31,685.12
  4. Step 4: Simplify right side
    55,545.44x = 2,429,260,128.26
  5. Step 5: Solve for x
    x = 2,429,260,128.26/55,545.44
  6. Step 6: Final answer
    x = 43,734.65

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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.