Home / 49,301.16-74,004.38-21,235.11

Finding the Fourth Proportional to 49,301.16, 74,004.38 and 21,235.11

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Solution

The fourth proportional to 49,301.16, 74,004.38 and 21,235.11 is: 31,875.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,301.16 : 74,004.38 = 21,235.11 : x
  2. Step 2: Convert to fraction form
    49,301.16/74,004.38 = 21,235.11/x
  3. Step 3: Cross multiply
    49,301.16x = 74,004.38 × 21,235.11
  4. Step 4: Simplify right side
    49,301.16x = 1,571,491,381.44
  5. Step 5: Solve for x
    x = 1,571,491,381.44/49,301.16
  6. Step 6: Final answer
    x = 31,875.35

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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.