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Finding the Fourth Proportional to 43,492.36, 65,246.54 and 18,532.36

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Solution

The fourth proportional to 43,492.36, 65,246.54 and 18,532.36 is: 27,801.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,492.36 : 65,246.54 = 18,532.36 : x
  2. Step 2: Convert to fraction form
    43,492.36/65,246.54 = 18,532.36/x
  3. Step 3: Cross multiply
    43,492.36x = 65,246.54 × 18,532.36
  4. Step 4: Simplify right side
    43,492.36x = 1,209,172,368.03
  5. Step 5: Solve for x
    x = 1,209,172,368.03/43,492.36
  6. Step 6: Final answer
    x = 27,801.95

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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.