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Finding the Fourth Proportional to 29,633.70, 40,886.60 and 18,154.72

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Solution

The fourth proportional to 29,633.70, 40,886.60 and 18,154.72 is: 25,048.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,633.70 : 40,886.60 = 18,154.72 : x
  2. Step 2: Convert to fraction form
    29,633.70/40,886.60 = 18,154.72/x
  3. Step 3: Cross multiply
    29,633.70x = 40,886.60 × 18,154.72
  4. Step 4: Simplify right side
    29,633.70x = 742,284,774.75
  5. Step 5: Solve for x
    x = 742,284,774.75/29,633.70
  6. Step 6: Final answer
    x = 25,048.67

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