Home / 20,402.34-30,599.48-5,607.44

Finding the Fourth Proportional to 20,402.34, 30,599.48 and 5,607.44

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Solution

The fourth proportional to 20,402.34, 30,599.48 and 5,607.44 is: 8,410.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,402.34 : 30,599.48 = 5,607.44 : x
  2. Step 2: Convert to fraction form
    20,402.34/30,599.48 = 5,607.44/x
  3. Step 3: Cross multiply
    20,402.34x = 30,599.48 × 5,607.44
  4. Step 4: Simplify right side
    20,402.34x = 171,584,748.13
  5. Step 5: Solve for x
    x = 171,584,748.13/20,402.34
  6. Step 6: Final answer
    x = 8,410.05

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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.