Home / 55,831.07-83,728.61-18,382.23

Finding the Fourth Proportional to 55,831.07, 83,728.61 and 18,382.23

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Solution

The fourth proportional to 55,831.07, 83,728.61 and 18,382.23 is: 27,567.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,831.07 : 83,728.61 = 18,382.23 : x
  2. Step 2: Convert to fraction form
    55,831.07/83,728.61 = 18,382.23/x
  3. Step 3: Cross multiply
    55,831.07x = 83,728.61 × 18,382.23
  4. Step 4: Simplify right side
    55,831.07x = 1,539,118,566.60
  5. Step 5: Solve for x
    x = 1,539,118,566.60/55,831.07
  6. Step 6: Final answer
    x = 27,567.42

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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.