Home / 66,698.03-100,015.56-22,312.87

Finding the Fourth Proportional to 66,698.03, 100,015.56 and 22,312.87

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Solution

The fourth proportional to 66,698.03, 100,015.56 and 22,312.87 is: 33,458.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,698.03 : 100,015.56 = 22,312.87 : x
  2. Step 2: Convert to fraction form
    66,698.03/100,015.56 = 22,312.87/x
  3. Step 3: Cross multiply
    66,698.03x = 100,015.56 × 22,312.87
  4. Step 4: Simplify right side
    66,698.03x = 2,231,633,938.22
  5. Step 5: Solve for x
    x = 2,231,633,938.22/66,698.03
  6. Step 6: Final answer
    x = 33,458.77

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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.