Home / 67,030.74-100,546.38-20,284.02

Finding the Fourth Proportional to 67,030.74, 100,546.38 and 20,284.02

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Solution

The fourth proportional to 67,030.74, 100,546.38 and 20,284.02 is: 30,426.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,030.74 : 100,546.38 = 20,284.02 : x
  2. Step 2: Convert to fraction form
    67,030.74/100,546.38 = 20,284.02/x
  3. Step 3: Cross multiply
    67,030.74x = 100,546.38 × 20,284.02
  4. Step 4: Simplify right side
    67,030.74x = 2,039,484,782.85
  5. Step 5: Solve for x
    x = 2,039,484,782.85/67,030.74
  6. Step 6: Final answer
    x = 30,426.11

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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.