Home / 20,124.72-30,293.64-14,321.52

Finding the Fourth Proportional to 20,124.72, 30,293.64 and 14,321.52

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Solution

The fourth proportional to 20,124.72, 30,293.64 and 14,321.52 is: 21,558.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,124.72 : 30,293.64 = 14,321.52 : x
  2. Step 2: Convert to fraction form
    20,124.72/30,293.64 = 14,321.52/x
  3. Step 3: Cross multiply
    20,124.72x = 30,293.64 × 14,321.52
  4. Step 4: Simplify right side
    20,124.72x = 433,850,971.13
  5. Step 5: Solve for x
    x = 433,850,971.13/20,124.72
  6. Step 6: Final answer
    x = 21,558.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.