Home / 31,802.98-43,888.28-19,873.24

Finding the Fourth Proportional to 31,802.98, 43,888.28 and 19,873.24

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Solution

The fourth proportional to 31,802.98, 43,888.28 and 19,873.24 is: 27,425.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,802.98 : 43,888.28 = 19,873.24 : x
  2. Step 2: Convert to fraction form
    31,802.98/43,888.28 = 19,873.24/x
  3. Step 3: Cross multiply
    31,802.98x = 43,888.28 × 19,873.24
  4. Step 4: Simplify right side
    31,802.98x = 872,202,321.63
  5. Step 5: Solve for x
    x = 872,202,321.63/31,802.98
  6. Step 6: Final answer
    x = 27,425.18

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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.