Home / 30,900.80-46,323.48-11,174.72

Finding the Fourth Proportional to 30,900.80, 46,323.48 and 11,174.72

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Solution

The fourth proportional to 30,900.80, 46,323.48 and 11,174.72 is: 16,752.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,900.80 : 46,323.48 = 11,174.72 : x
  2. Step 2: Convert to fraction form
    30,900.80/46,323.48 = 11,174.72/x
  3. Step 3: Cross multiply
    30,900.80x = 46,323.48 × 11,174.72
  4. Step 4: Simplify right side
    30,900.80x = 517,651,918.43
  5. Step 5: Solve for x
    x = 517,651,918.43/30,900.80
  6. Step 6: Final answer
    x = 16,752.06

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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.