Home / 66,480.90-99,638.19-33,210.26

Finding the Fourth Proportional to 66,480.90, 99,638.19 and 33,210.26

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Solution

The fourth proportional to 66,480.90, 99,638.19 and 33,210.26 is: 49,773.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,480.90 : 99,638.19 = 33,210.26 : x
  2. Step 2: Convert to fraction form
    66,480.90/99,638.19 = 33,210.26/x
  3. Step 3: Cross multiply
    66,480.90x = 99,638.19 × 33,210.26
  4. Step 4: Simplify right side
    66,480.90x = 3,309,009,697.64
  5. Step 5: Solve for x
    x = 3,309,009,697.64/66,480.90
  6. Step 6: Final answer
    x = 49,773.84

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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.