Home / 55,831.07-83,758.15-18,393.45

Finding the Fourth Proportional to 55,831.07, 83,758.15 and 18,393.45

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Solution

The fourth proportional to 55,831.07, 83,758.15 and 18,393.45 is: 27,593.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,831.07 : 83,758.15 = 18,393.45 : x
  2. Step 2: Convert to fraction form
    55,831.07/83,758.15 = 18,393.45/x
  3. Step 3: Cross multiply
    55,831.07x = 83,758.15 × 18,393.45
  4. Step 4: Simplify right side
    55,831.07x = 1,540,601,053.02
  5. Step 5: Solve for x
    x = 1,540,601,053.02/55,831.07
  6. Step 6: Final answer
    x = 27,593.97

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1.5x scale

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.