Home / 30,980.07-46,407.74-14,317.16

Finding the Fourth Proportional to 30,980.07, 46,407.74 and 14,317.16

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Solution

The fourth proportional to 30,980.07, 46,407.74 and 14,317.16 is: 21,446.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,980.07 : 46,407.74 = 14,317.16 : x
  2. Step 2: Convert to fraction form
    30,980.07/46,407.74 = 14,317.16/x
  3. Step 3: Cross multiply
    30,980.07x = 46,407.74 × 14,317.16
  4. Step 4: Simplify right side
    30,980.07x = 664,426,735.19
  5. Step 5: Solve for x
    x = 664,426,735.19/30,980.07
  6. Step 6: Final answer
    x = 21,446.91

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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.