Home / 30,578.18-42,193.57-17,835.22

Finding the Fourth Proportional to 30,578.18, 42,193.57 and 17,835.22

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Solution

The fourth proportional to 30,578.18, 42,193.57 and 17,835.22 is: 24,610.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,578.18 : 42,193.57 = 17,835.22 : x
  2. Step 2: Convert to fraction form
    30,578.18/42,193.57 = 17,835.22/x
  3. Step 3: Cross multiply
    30,578.18x = 42,193.57 × 17,835.22
  4. Step 4: Simplify right side
    30,578.18x = 752,531,603.54
  5. Step 5: Solve for x
    x = 752,531,603.54/30,578.18
  6. Step 6: Final answer
    x = 24,610.08

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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.