Home / 37,402.80-51,603.09-21,268.50

Finding the Fourth Proportional to 37,402.80, 51,603.09 and 21,268.50

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Solution

The fourth proportional to 37,402.80, 51,603.09 and 21,268.50 is: 29,343.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,402.80 : 51,603.09 = 21,268.50 : x
  2. Step 2: Convert to fraction form
    37,402.80/51,603.09 = 21,268.50/x
  3. Step 3: Cross multiply
    37,402.80x = 51,603.09 × 21,268.50
  4. Step 4: Simplify right side
    37,402.80x = 1,097,520,319.67
  5. Step 5: Solve for x
    x = 1,097,520,319.67/37,402.80
  6. Step 6: Final answer
    x = 29,343.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.