Home / 55,847.51-77,069.99-30,353.89

Finding the Fourth Proportional to 55,847.51, 77,069.99 and 30,353.89

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Solution

The fourth proportional to 55,847.51, 77,069.99 and 30,353.89 is: 41,888.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,847.51 : 77,069.99 = 30,353.89 : x
  2. Step 2: Convert to fraction form
    55,847.51/77,069.99 = 30,353.89/x
  3. Step 3: Cross multiply
    55,847.51x = 77,069.99 × 30,353.89
  4. Step 4: Simplify right side
    55,847.51x = 2,339,373,881.97
  5. Step 5: Solve for x
    x = 2,339,373,881.97/55,847.51
  6. Step 6: Final answer
    x = 41,888.60

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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.