Home / 40,827.60-61,246.94-12,749.63

Finding the Fourth Proportional to 40,827.60, 61,246.94 and 12,749.63

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Solution

The fourth proportional to 40,827.60, 61,246.94 and 12,749.63 is: 19,126.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,827.60 : 61,246.94 = 12,749.63 : x
  2. Step 2: Convert to fraction form
    40,827.60/61,246.94 = 12,749.63/x
  3. Step 3: Cross multiply
    40,827.60x = 61,246.94 × 12,749.63
  4. Step 4: Simplify right side
    40,827.60x = 780,875,453.65
  5. Step 5: Solve for x
    x = 780,875,453.65/40,827.60
  6. Step 6: Final answer
    x = 19,126.17

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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.