Home / 35,831.48-49,447.19-19,916.87

Finding the Fourth Proportional to 35,831.48, 49,447.19 and 19,916.87

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Solution

The fourth proportional to 35,831.48, 49,447.19 and 19,916.87 is: 27,485.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,831.48 : 49,447.19 = 19,916.87 : x
  2. Step 2: Convert to fraction form
    35,831.48/49,447.19 = 19,916.87/x
  3. Step 3: Cross multiply
    35,831.48x = 49,447.19 × 19,916.87
  4. Step 4: Simplify right side
    35,831.48x = 984,833,057.65
  5. Step 5: Solve for x
    x = 984,833,057.65/35,831.48
  6. Step 6: Final answer
    x = 27,485.14

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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.