Home / 51,539.89-71,139.06-30,325.99

Finding the Fourth Proportional to 51,539.89, 71,139.06 and 30,325.99

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Solution

The fourth proportional to 51,539.89, 71,139.06 and 30,325.99 is: 41,858.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,539.89 : 71,139.06 = 30,325.99 : x
  2. Step 2: Convert to fraction form
    51,539.89/71,139.06 = 30,325.99/x
  3. Step 3: Cross multiply
    51,539.89x = 71,139.06 × 30,325.99
  4. Step 4: Simplify right side
    51,539.89x = 2,157,362,422.17
  5. Step 5: Solve for x
    x = 2,157,362,422.17/51,539.89
  6. Step 6: Final answer
    x = 41,858.11

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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.