Home / 31,116.42-46,662.48-13,574.34

Finding the Fourth Proportional to 31,116.42, 46,662.48 and 13,574.34

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Solution

The fourth proportional to 31,116.42, 46,662.48 and 13,574.34 is: 20,356.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,116.42 : 46,662.48 = 13,574.34 : x
  2. Step 2: Convert to fraction form
    31,116.42/46,662.48 = 13,574.34/x
  3. Step 3: Cross multiply
    31,116.42x = 46,662.48 × 13,574.34
  4. Step 4: Simplify right side
    31,116.42x = 633,412,368.76
  5. Step 5: Solve for x
    x = 633,412,368.76/31,116.42
  6. Step 6: Final answer
    x = 20,356.21

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.