Home / 20,045.64-30,061.98-11,725.32

Finding the Fourth Proportional to 20,045.64, 30,061.98 and 11,725.32

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Solution

The fourth proportional to 20,045.64, 30,061.98 and 11,725.32 is: 17,584.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,045.64 : 30,061.98 = 11,725.32 : x
  2. Step 2: Convert to fraction form
    20,045.64/30,061.98 = 11,725.32/x
  3. Step 3: Cross multiply
    20,045.64x = 30,061.98 × 11,725.32
  4. Step 4: Simplify right side
    20,045.64x = 352,486,335.33
  5. Step 5: Solve for x
    x = 352,486,335.33/20,045.64
  6. Step 6: Final answer
    x = 17,584.19

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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.