Home / 66,028.17-99,030.75-30,486.47

Finding the Fourth Proportional to 66,028.17, 99,030.75 and 30,486.47

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Solution

The fourth proportional to 66,028.17, 99,030.75 and 30,486.47 is: 45,724.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,028.17 : 99,030.75 = 30,486.47 : x
  2. Step 2: Convert to fraction form
    66,028.17/99,030.75 = 30,486.47/x
  3. Step 3: Cross multiply
    66,028.17x = 99,030.75 × 30,486.47
  4. Step 4: Simplify right side
    66,028.17x = 3,019,097,493.80
  5. Step 5: Solve for x
    x = 3,019,097,493.80/66,028.17
  6. Step 6: Final answer
    x = 45,724.39

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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.