Home / 51,561.93-77,331.75-18,283.08

Finding the Fourth Proportional to 51,561.93, 77,331.75 and 18,283.08

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Solution

The fourth proportional to 51,561.93, 77,331.75 and 18,283.08 is: 27,420.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,561.93 : 77,331.75 = 18,283.08 : x
  2. Step 2: Convert to fraction form
    51,561.93/77,331.75 = 18,283.08/x
  3. Step 3: Cross multiply
    51,561.93x = 77,331.75 × 18,283.08
  4. Step 4: Simplify right side
    51,561.93x = 1,413,862,571.79
  5. Step 5: Solve for x
    x = 1,413,862,571.79/51,561.93
  6. Step 6: Final answer
    x = 27,420.67

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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.