Home / 20,788.05-31,178.33-5,993.34

Finding the Fourth Proportional to 20,788.05, 31,178.33 and 5,993.34

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Solution

The fourth proportional to 20,788.05, 31,178.33 and 5,993.34 is: 8,988.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,788.05 : 31,178.33 = 5,993.34 : x
  2. Step 2: Convert to fraction form
    20,788.05/31,178.33 = 5,993.34/x
  3. Step 3: Cross multiply
    20,788.05x = 31,178.33 × 5,993.34
  4. Step 4: Simplify right side
    20,788.05x = 186,862,332.32
  5. Step 5: Solve for x
    x = 186,862,332.32/20,788.05
  6. Step 6: Final answer
    x = 8,988.93

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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.