Home / 72,017.28-107,991.41-34,034.94

Finding the Fourth Proportional to 72,017.28, 107,991.41 and 34,034.94

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Solution

The fourth proportional to 72,017.28, 107,991.41 and 34,034.94 is: 51,036.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,017.28 : 107,991.41 = 34,034.94 : x
  2. Step 2: Convert to fraction form
    72,017.28/107,991.41 = 34,034.94/x
  3. Step 3: Cross multiply
    72,017.28x = 107,991.41 × 34,034.94
  4. Step 4: Simplify right side
    72,017.28x = 3,675,480,989.69
  5. Step 5: Solve for x
    x = 3,675,480,989.69/72,017.28
  6. Step 6: Final answer
    x = 51,036.10

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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.