Home / 41,972.32-62,936.76-12,386.40

Finding the Fourth Proportional to 41,972.32, 62,936.76 and 12,386.40

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Solution

The fourth proportional to 41,972.32, 62,936.76 and 12,386.40 is: 18,573.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,972.32 : 62,936.76 = 12,386.40 : x
  2. Step 2: Convert to fraction form
    41,972.32/62,936.76 = 12,386.40/x
  3. Step 3: Cross multiply
    41,972.32x = 62,936.76 × 12,386.40
  4. Step 4: Simplify right side
    41,972.32x = 779,559,884.06
  5. Step 5: Solve for x
    x = 779,559,884.06/41,972.32
  6. Step 6: Final answer
    x = 18,573.19

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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.