Home / 39,504.65-54,516.04-21,599.46

Finding the Fourth Proportional to 39,504.65, 54,516.04 and 21,599.46

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Solution

The fourth proportional to 39,504.65, 54,516.04 and 21,599.46 is: 29,807.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,504.65 : 54,516.04 = 21,599.46 : x
  2. Step 2: Convert to fraction form
    39,504.65/54,516.04 = 21,599.46/x
  3. Step 3: Cross multiply
    39,504.65x = 54,516.04 × 21,599.46
  4. Step 4: Simplify right side
    39,504.65x = 1,177,516,971.34
  5. Step 5: Solve for x
    x = 1,177,516,971.34/39,504.65
  6. Step 6: Final answer
    x = 29,807.05

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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.