Home / 40,148.65-55,405.59-22,243.94

Finding the Fourth Proportional to 40,148.65, 55,405.59 and 22,243.94

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Solution

The fourth proportional to 40,148.65, 55,405.59 and 22,243.94 is: 30,696.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,148.65 : 55,405.59 = 22,243.94 : x
  2. Step 2: Convert to fraction form
    40,148.65/55,405.59 = 22,243.94/x
  3. Step 3: Cross multiply
    40,148.65x = 55,405.59 × 22,243.94
  4. Step 4: Simplify right side
    40,148.65x = 1,232,438,508.40
  5. Step 5: Solve for x
    x = 1,232,438,508.40/40,148.65
  6. Step 6: Final answer
    x = 30,696.89

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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.