Home / 37,845.36-52,225.92-21,078

Finding the Fourth Proportional to 37,845.36, 52,225.92 and 21,078

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Solution

The fourth proportional to 37,845.36, 52,225.92 and 21,078 is: 29,087.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,845.36 : 52,225.92 = 21,078 : x
  2. Step 2: Convert to fraction form
    37,845.36/52,225.92 = 21,078/x
  3. Step 3: Cross multiply
    37,845.36x = 52,225.92 × 21,078
  4. Step 4: Simplify right side
    37,845.36x = 1,100,817,941.76
  5. Step 5: Solve for x
    x = 1,100,817,941.76/37,845.36
  6. Step 6: Final answer
    x = 29,087.26

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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.