Home / 66,124.08-99,200.70-21,749.04

Finding the Fourth Proportional to 66,124.08, 99,200.70 and 21,749.04

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Solution

The fourth proportional to 66,124.08, 99,200.70 and 21,749.04 is: 32,628.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,124.08 : 99,200.70 = 21,749.04 : x
  2. Step 2: Convert to fraction form
    66,124.08/99,200.70 = 21,749.04/x
  3. Step 3: Cross multiply
    66,124.08x = 99,200.70 × 21,749.04
  4. Step 4: Simplify right side
    66,124.08x = 2,157,519,992.33
  5. Step 5: Solve for x
    x = 2,157,519,992.33/66,124.08
  6. Step 6: Final answer
    x = 32,628.36

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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.