Home / 40,812.48-61,212.96-12,726

Finding the Fourth Proportional to 40,812.48, 61,212.96 and 12,726

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Solution

The fourth proportional to 40,812.48, 61,212.96 and 12,726 is: 19,087.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,812.48 : 61,212.96 = 12,726 : x
  2. Step 2: Convert to fraction form
    40,812.48/61,212.96 = 12,726/x
  3. Step 3: Cross multiply
    40,812.48x = 61,212.96 × 12,726
  4. Step 4: Simplify right side
    40,812.48x = 778,996,128.96
  5. Step 5: Solve for x
    x = 778,996,128.96/40,812.48
  6. Step 6: Final answer
    x = 19,087.20

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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.