Home / 40,983.26-61,483.05-12,910.40

Finding the Fourth Proportional to 40,983.26, 61,483.05 and 12,910.40

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Solution

The fourth proportional to 40,983.26, 61,483.05 and 12,910.40 is: 19,368.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,983.26 : 61,483.05 = 12,910.40 : x
  2. Step 2: Convert to fraction form
    40,983.26/61,483.05 = 12,910.40/x
  3. Step 3: Cross multiply
    40,983.26x = 61,483.05 × 12,910.40
  4. Step 4: Simplify right side
    40,983.26x = 793,770,461.30
  5. Step 5: Solve for x
    x = 793,770,461.30/40,983.26
  6. Step 6: Final answer
    x = 19,368.17

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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.