Home / 20,809.05-31,214.48-6,019.46

Finding the Fourth Proportional to 20,809.05, 31,214.48 and 6,019.46

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Solution

The fourth proportional to 20,809.05, 31,214.48 and 6,019.46 is: 9,029.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,809.05 : 31,214.48 = 6,019.46 : x
  2. Step 2: Convert to fraction form
    20,809.05/31,214.48 = 6,019.46/x
  3. Step 3: Cross multiply
    20,809.05x = 31,214.48 × 6,019.46
  4. Step 4: Simplify right side
    20,809.05x = 187,894,228.22
  5. Step 5: Solve for x
    x = 187,894,228.22/20,809.05
  6. Step 6: Final answer
    x = 9,029.45

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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.