Home / 30,004.58-41,408.04-18,071.76

Finding the Fourth Proportional to 30,004.58, 41,408.04 and 18,071.76

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Solution

The fourth proportional to 30,004.58, 41,408.04 and 18,071.76 is: 24,940.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,004.58 : 41,408.04 = 18,071.76 : x
  2. Step 2: Convert to fraction form
    30,004.58/41,408.04 = 18,071.76/x
  3. Step 3: Cross multiply
    30,004.58x = 41,408.04 × 18,071.76
  4. Step 4: Simplify right side
    30,004.58x = 748,316,160.95
  5. Step 5: Solve for x
    x = 748,316,160.95/30,004.58
  6. Step 6: Final answer
    x = 24,940.06

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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.