Home / 20,057.86-30,115.95-14,809.06

Finding the Fourth Proportional to 20,057.86, 30,115.95 and 14,809.06

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Solution

The fourth proportional to 20,057.86, 30,115.95 and 14,809.06 is: 22,235.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,057.86 : 30,115.95 = 14,809.06 : x
  2. Step 2: Convert to fraction form
    20,057.86/30,115.95 = 14,809.06/x
  3. Step 3: Cross multiply
    20,057.86x = 30,115.95 × 14,809.06
  4. Step 4: Simplify right side
    20,057.86x = 445,988,910.51
  5. Step 5: Solve for x
    x = 445,988,910.51/20,057.86
  6. Step 6: Final answer
    x = 22,235.12

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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.