Home / 31,840.65-43,926.47-19,883.23

Finding the Fourth Proportional to 31,840.65, 43,926.47 and 19,883.23

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Solution

The fourth proportional to 31,840.65, 43,926.47 and 19,883.23 is: 27,430.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,840.65 : 43,926.47 = 19,883.23 : x
  2. Step 2: Convert to fraction form
    31,840.65/43,926.47 = 19,883.23/x
  3. Step 3: Cross multiply
    31,840.65x = 43,926.47 × 19,883.23
  4. Step 4: Simplify right side
    31,840.65x = 873,399,971.43
  5. Step 5: Solve for x
    x = 873,399,971.43/31,840.65
  6. Step 6: Final answer
    x = 27,430.34

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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.