Home / 66,632.99-99,934.79-19,237.77

Finding the Fourth Proportional to 66,632.99, 99,934.79 and 19,237.77

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Solution

The fourth proportional to 66,632.99, 99,934.79 and 19,237.77 is: 28,852.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,632.99 : 99,934.79 = 19,237.77 : x
  2. Step 2: Convert to fraction form
    66,632.99/99,934.79 = 19,237.77/x
  3. Step 3: Cross multiply
    66,632.99x = 99,934.79 × 19,237.77
  4. Step 4: Simplify right side
    66,632.99x = 1,922,522,408.83
  5. Step 5: Solve for x
    x = 1,922,522,408.83/66,632.99
  6. Step 6: Final answer
    x = 28,852.41

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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.