Home / 35,742.10-49,330.01-19,831.68

Finding the Fourth Proportional to 35,742.10, 49,330.01 and 19,831.68

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Solution

The fourth proportional to 35,742.10, 49,330.01 and 19,831.68 is: 27,370.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,742.10 : 49,330.01 = 19,831.68 : x
  2. Step 2: Convert to fraction form
    35,742.10/49,330.01 = 19,831.68/x
  3. Step 3: Cross multiply
    35,742.10x = 49,330.01 × 19,831.68
  4. Step 4: Simplify right side
    35,742.10x = 978,296,775.65
  5. Step 5: Solve for x
    x = 978,296,775.65/35,742.10
  6. Step 6: Final answer
    x = 27,370.99

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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.