Home / 66,441.01-99,671.55-21,447.33

Finding the Fourth Proportional to 66,441.01, 99,671.55 and 21,447.33

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Solution

The fourth proportional to 66,441.01, 99,671.55 and 21,447.33 is: 32,174.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,441.01 : 99,671.55 = 21,447.33 : x
  2. Step 2: Convert to fraction form
    66,441.01/99,671.55 = 21,447.33/x
  3. Step 3: Cross multiply
    66,441.01x = 99,671.55 × 21,447.33
  4. Step 4: Simplify right side
    66,441.01x = 2,137,688,624.46
  5. Step 5: Solve for x
    x = 2,137,688,624.46/66,441.01
  6. Step 6: Final answer
    x = 32,174.24

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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.