Home / 30,740.91-46,080.58-11,995.16

Finding the Fourth Proportional to 30,740.91, 46,080.58 and 11,995.16

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Solution

The fourth proportional to 30,740.91, 46,080.58 and 11,995.16 is: 17,980.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,740.91 : 46,080.58 = 11,995.16 : x
  2. Step 2: Convert to fraction form
    30,740.91/46,080.58 = 11,995.16/x
  3. Step 3: Cross multiply
    30,740.91x = 46,080.58 × 11,995.16
  4. Step 4: Simplify right side
    30,740.91x = 552,743,669.60
  5. Step 5: Solve for x
    x = 552,743,669.60/30,740.91
  6. Step 6: Final answer
    x = 17,980.72

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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.