Home / 20,679.34-31,019.18-5,888.24

Finding the Fourth Proportional to 20,679.34, 31,019.18 and 5,888.24

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Solution

The fourth proportional to 20,679.34, 31,019.18 and 5,888.24 is: 8,832.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,679.34 : 31,019.18 = 5,888.24 : x
  2. Step 2: Convert to fraction form
    20,679.34/31,019.18 = 5,888.24/x
  3. Step 3: Cross multiply
    20,679.34x = 31,019.18 × 5,888.24
  4. Step 4: Simplify right side
    20,679.34x = 182,648,376.44
  5. Step 5: Solve for x
    x = 182,648,376.44/20,679.34
  6. Step 6: Final answer
    x = 8,832.41

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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.