Home / 66,187.63-99,293.75-21,817.52

Finding the Fourth Proportional to 66,187.63, 99,293.75 and 21,817.52

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Solution

The fourth proportional to 66,187.63, 99,293.75 and 21,817.52 is: 32,730.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,187.63 : 99,293.75 = 21,817.52 : x
  2. Step 2: Convert to fraction form
    66,187.63/99,293.75 = 21,817.52/x
  3. Step 3: Cross multiply
    66,187.63x = 99,293.75 × 21,817.52
  4. Step 4: Simplify right side
    66,187.63x = 2,166,343,376.50
  5. Step 5: Solve for x
    x = 2,166,343,376.50/66,187.63
  6. Step 6: Final answer
    x = 32,730.34

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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.