Home / 42,033.84-57,933.63-30,684.66

Finding the Fourth Proportional to 42,033.84, 57,933.63 and 30,684.66

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Solution

The fourth proportional to 42,033.84, 57,933.63 and 30,684.66 is: 42,291.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,033.84 : 57,933.63 = 30,684.66 : x
  2. Step 2: Convert to fraction form
    42,033.84/57,933.63 = 30,684.66/x
  3. Step 3: Cross multiply
    42,033.84x = 57,933.63 × 30,684.66
  4. Step 4: Simplify right side
    42,033.84x = 1,777,673,739.12
  5. Step 5: Solve for x
    x = 1,777,673,739.12/42,033.84
  6. Step 6: Final answer
    x = 42,291.49

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1.5x scale

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.