Home / 42,161.18-58,194.54-27,831.47

Finding the Fourth Proportional to 42,161.18, 58,194.54 and 27,831.47

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Solution

The fourth proportional to 42,161.18, 58,194.54 and 27,831.47 is: 38,415.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,161.18 : 58,194.54 = 27,831.47 : x
  2. Step 2: Convert to fraction form
    42,161.18/58,194.54 = 27,831.47/x
  3. Step 3: Cross multiply
    42,161.18x = 58,194.54 × 27,831.47
  4. Step 4: Simplify right side
    42,161.18x = 1,619,639,303.20
  5. Step 5: Solve for x
    x = 1,619,639,303.20/42,161.18
  6. Step 6: Final answer
    x = 38,415.42

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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.