Home / 35,742.22-49,330.17-19,831.80

Finding the Fourth Proportional to 35,742.22, 49,330.17 and 19,831.80

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Solution

The fourth proportional to 35,742.22, 49,330.17 and 19,831.80 is: 27,371.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,742.22 : 49,330.17 = 19,831.80 : x
  2. Step 2: Convert to fraction form
    35,742.22/49,330.17 = 19,831.80/x
  3. Step 3: Cross multiply
    35,742.22x = 49,330.17 × 19,831.80
  4. Step 4: Simplify right side
    35,742.22x = 978,305,818.76
  5. Step 5: Solve for x
    x = 978,305,818.76/35,742.22
  6. Step 6: Final answer
    x = 27,371.15

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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.