Home / 51,326.94-70,831.08-30,106.02

Finding the Fourth Proportional to 51,326.94, 70,831.08 and 30,106.02

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Solution

The fourth proportional to 51,326.94, 70,831.08 and 30,106.02 is: 41,546.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,326.94 : 70,831.08 = 30,106.02 : x
  2. Step 2: Convert to fraction form
    51,326.94/70,831.08 = 30,106.02/x
  3. Step 3: Cross multiply
    51,326.94x = 70,831.08 × 30,106.02
  4. Step 4: Simplify right side
    51,326.94x = 2,132,441,911.10
  5. Step 5: Solve for x
    x = 2,132,441,911.10/51,326.94
  6. Step 6: Final answer
    x = 41,546.25

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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.