Home / 31,883.33-43,999.36-18,271.10

Finding the Fourth Proportional to 31,883.33, 43,999.36 and 18,271.10

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Solution

The fourth proportional to 31,883.33, 43,999.36 and 18,271.10 is: 25,214.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,883.33 : 43,999.36 = 18,271.10 : x
  2. Step 2: Convert to fraction form
    31,883.33/43,999.36 = 18,271.10/x
  3. Step 3: Cross multiply
    31,883.33x = 43,999.36 × 18,271.10
  4. Step 4: Simplify right side
    31,883.33x = 803,916,605.82
  5. Step 5: Solve for x
    x = 803,916,605.82/31,883.33
  6. Step 6: Final answer
    x = 25,214.33

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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.