Home / 66,378.48-99,570.14-22,009.11

Finding the Fourth Proportional to 66,378.48, 99,570.14 and 22,009.11

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Solution

The fourth proportional to 66,378.48, 99,570.14 and 22,009.11 is: 33,014.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,378.48 : 99,570.14 = 22,009.11 : x
  2. Step 2: Convert to fraction form
    66,378.48/99,570.14 = 22,009.11/x
  3. Step 3: Cross multiply
    66,378.48x = 99,570.14 × 22,009.11
  4. Step 4: Simplify right side
    66,378.48x = 2,191,450,163.98
  5. Step 5: Solve for x
    x = 2,191,450,163.98/66,378.48
  6. Step 6: Final answer
    x = 33,014.47

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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.