Home / 30,226.56-41,709.60-18,893.76

Finding the Fourth Proportional to 30,226.56, 41,709.60 and 18,893.76

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Solution

The fourth proportional to 30,226.56, 41,709.60 and 18,893.76 is: 26,071.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,226.56 : 41,709.60 = 18,893.76 : x
  2. Step 2: Convert to fraction form
    30,226.56/41,709.60 = 18,893.76/x
  3. Step 3: Cross multiply
    30,226.56x = 41,709.60 × 18,893.76
  4. Step 4: Simplify right side
    30,226.56x = 788,051,172.10
  5. Step 5: Solve for x
    x = 788,051,172.10/30,226.56
  6. Step 6: Final answer
    x = 26,071.48

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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.