Home / 31,127.04-42,949.44-18,552.96

Finding the Fourth Proportional to 31,127.04, 42,949.44 and 18,552.96

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Solution

The fourth proportional to 31,127.04, 42,949.44 and 18,552.96 is: 25,599.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,127.04 : 42,949.44 = 18,552.96 : x
  2. Step 2: Convert to fraction form
    31,127.04/42,949.44 = 18,552.96/x
  3. Step 3: Cross multiply
    31,127.04x = 42,949.44 × 18,552.96
  4. Step 4: Simplify right side
    31,127.04x = 796,839,242.34
  5. Step 5: Solve for x
    x = 796,839,242.34/31,127.04
  6. Step 6: Final answer
    x = 25,599.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.