Home / 35,403.39-53,112.90-11,718.32

Finding the Fourth Proportional to 35,403.39, 53,112.90 and 11,718.32

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Solution

The fourth proportional to 35,403.39, 53,112.90 and 11,718.32 is: 17,580.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,403.39 : 53,112.90 = 11,718.32 : x
  2. Step 2: Convert to fraction form
    35,403.39/53,112.90 = 11,718.32/x
  3. Step 3: Cross multiply
    35,403.39x = 53,112.90 × 11,718.32
  4. Step 4: Simplify right side
    35,403.39x = 622,393,692.76
  5. Step 5: Solve for x
    x = 622,393,692.76/35,403.39
  6. Step 6: Final answer
    x = 17,580.06

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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.