Home / 30,524.04-42,099.48-20,449.26

Finding the Fourth Proportional to 30,524.04, 42,099.48 and 20,449.26

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Solution

The fourth proportional to 30,524.04, 42,099.48 and 20,449.26 is: 28,204.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,524.04 : 42,099.48 = 20,449.26 : x
  2. Step 2: Convert to fraction form
    30,524.04/42,099.48 = 20,449.26/x
  3. Step 3: Cross multiply
    30,524.04x = 42,099.48 × 20,449.26
  4. Step 4: Simplify right side
    30,524.04x = 860,903,212.38
  5. Step 5: Solve for x
    x = 860,903,212.38/30,524.04
  6. Step 6: Final answer
    x = 28,204.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.