Home / 66,434.37-99,622.68-19,039.02

Finding the Fourth Proportional to 66,434.37, 99,622.68 and 19,039.02

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Solution

The fourth proportional to 66,434.37, 99,622.68 and 19,039.02 is: 28,550.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,434.37 : 99,622.68 = 19,039.02 : x
  2. Step 2: Convert to fraction form
    66,434.37/99,622.68 = 19,039.02/x
  3. Step 3: Cross multiply
    66,434.37x = 99,622.68 × 19,039.02
  4. Step 4: Simplify right side
    66,434.37x = 1,896,718,196.97
  5. Step 5: Solve for x
    x = 1,896,718,196.97/66,434.37
  6. Step 6: Final answer
    x = 28,550.25

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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.