Home / 30,830.99-46,247.77-9,770.57

Finding the Fourth Proportional to 30,830.99, 46,247.77 and 9,770.57

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Solution

The fourth proportional to 30,830.99, 46,247.77 and 9,770.57 is: 14,656.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,830.99 : 46,247.77 = 9,770.57 : x
  2. Step 2: Convert to fraction form
    30,830.99/46,247.77 = 9,770.57/x
  3. Step 3: Cross multiply
    30,830.99x = 46,247.77 × 9,770.57
  4. Step 4: Simplify right side
    30,830.99x = 451,866,842.89
  5. Step 5: Solve for x
    x = 451,866,842.89/30,830.99
  6. Step 6: Final answer
    x = 14,656.26

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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.