Home / 20,305.37-30,476.51-14,105.23

Finding the Fourth Proportional to 20,305.37, 30,476.51 and 14,105.23

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Solution

The fourth proportional to 20,305.37, 30,476.51 and 14,105.23 is: 21,170.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,305.37 : 30,476.51 = 14,105.23 : x
  2. Step 2: Convert to fraction form
    20,305.37/30,476.51 = 14,105.23/x
  3. Step 3: Cross multiply
    20,305.37x = 30,476.51 × 14,105.23
  4. Step 4: Simplify right side
    20,305.37x = 429,878,089.32
  5. Step 5: Solve for x
    x = 429,878,089.32/20,305.37
  6. Step 6: Final answer
    x = 21,170.66

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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.