Home / 34,048,019.20-51,072,028.80-21,307,820.80

Finding the Fourth Proportional to 34,048,019.20, 51,072,028.80 and 21,307,820.80

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Solution

The fourth proportional to 34,048,019.20, 51,072,028.80 and 21,307,820.80 is: 31,961,731.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,048,019.20 : 51,072,028.80 = 21,307,820.80 : x
  2. Step 2: Convert to fraction form
    34,048,019.20/51,072,028.80 = 21,307,820.80/x
  3. Step 3: Cross multiply
    34,048,019.20x = 51,072,028.80 × 21,307,820.80
  4. Step 4: Simplify right side
    34,048,019.20x = 1,088,233,637,562,839
  5. Step 5: Solve for x
    x = 1,088,233,637,562,839/34,048,019.20
  6. Step 6: Final answer
    x = 31,961,731.20

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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.