Home / 30,715.84-46,000.48-18,993.44

Finding the Fourth Proportional to 30,715.84, 46,000.48 and 18,993.44

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Solution

The fourth proportional to 30,715.84, 46,000.48 and 18,993.44 is: 28,444.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,715.84 : 46,000.48 = 18,993.44 : x
  2. Step 2: Convert to fraction form
    30,715.84/46,000.48 = 18,993.44/x
  3. Step 3: Cross multiply
    30,715.84x = 46,000.48 × 18,993.44
  4. Step 4: Simplify right side
    30,715.84x = 873,707,356.85
  5. Step 5: Solve for x
    x = 873,707,356.85/30,715.84
  6. Step 6: Final answer
    x = 28,444.85

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1.5x scale

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.