Home / 30,813.15-46,133.87-19,692.39

Finding the Fourth Proportional to 30,813.15, 46,133.87 and 19,692.39

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Solution

The fourth proportional to 30,813.15, 46,133.87 and 19,692.39 is: 29,483.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,813.15 : 46,133.87 = 19,692.39 : x
  2. Step 2: Convert to fraction form
    30,813.15/46,133.87 = 19,692.39/x
  3. Step 3: Cross multiply
    30,813.15x = 46,133.87 × 19,692.39
  4. Step 4: Simplify right side
    30,813.15x = 908,486,061.79
  5. Step 5: Solve for x
    x = 908,486,061.79/30,813.15
  6. Step 6: Final answer
    x = 29,483.71

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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.