Home / 66,930.28-100,358.76-30,867.59

Finding the Fourth Proportional to 66,930.28, 100,358.76 and 30,867.59

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Solution

The fourth proportional to 66,930.28, 100,358.76 and 30,867.59 is: 46,284.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,930.28 : 100,358.76 = 30,867.59 : x
  2. Step 2: Convert to fraction form
    66,930.28/100,358.76 = 30,867.59/x
  3. Step 3: Cross multiply
    66,930.28x = 100,358.76 × 30,867.59
  4. Step 4: Simplify right side
    66,930.28x = 3,097,833,056.59
  5. Step 5: Solve for x
    x = 3,097,833,056.59/66,930.28
  6. Step 6: Final answer
    x = 46,284.48

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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.