Home / 40,683.65-61,025.87-19,618.79

Finding the Fourth Proportional to 40,683.65, 61,025.87 and 19,618.79

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Solution

The fourth proportional to 40,683.65, 61,025.87 and 19,618.79 is: 29,428.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,683.65 : 61,025.87 = 19,618.79 : x
  2. Step 2: Convert to fraction form
    40,683.65/61,025.87 = 19,618.79/x
  3. Step 3: Cross multiply
    40,683.65x = 61,025.87 × 19,618.79
  4. Step 4: Simplify right side
    40,683.65x = 1,197,253,472.01
  5. Step 5: Solve for x
    x = 1,197,253,472.01/40,683.65
  6. Step 6: Final answer
    x = 29,428.37

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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.