Home / 42,893.39-64,268.95-30,351.25

Finding the Fourth Proportional to 42,893.39, 64,268.95 and 30,351.25

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Solution

The fourth proportional to 42,893.39, 64,268.95 and 30,351.25 is: 45,476.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,893.39 : 64,268.95 = 30,351.25 : x
  2. Step 2: Convert to fraction form
    42,893.39/64,268.95 = 30,351.25/x
  3. Step 3: Cross multiply
    42,893.39x = 64,268.95 × 30,351.25
  4. Step 4: Simplify right side
    42,893.39x = 1,950,642,968.69
  5. Step 5: Solve for x
    x = 1,950,642,968.69/42,893.39
  6. Step 6: Final answer
    x = 45,476.54

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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.