Home / 66,050.25-99,054.58-21,666.69

Finding the Fourth Proportional to 66,050.25, 99,054.58 and 21,666.69

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Solution

The fourth proportional to 66,050.25, 99,054.58 and 21,666.69 is: 32,493.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,050.25 : 99,054.58 = 21,666.69 : x
  2. Step 2: Convert to fraction form
    66,050.25/99,054.58 = 21,666.69/x
  3. Step 3: Cross multiply
    66,050.25x = 99,054.58 × 21,666.69
  4. Step 4: Simplify right side
    66,050.25x = 2,146,184,769.61
  5. Step 5: Solve for x
    x = 2,146,184,769.61/66,050.25
  6. Step 6: Final answer
    x = 32,493.21

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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.