Home / 31,883.14-43,999.10-18,270.91

Finding the Fourth Proportional to 31,883.14, 43,999.10 and 18,270.91

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Solution

The fourth proportional to 31,883.14, 43,999.10 and 18,270.91 is: 25,214.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,883.14 : 43,999.10 = 18,270.91 : x
  2. Step 2: Convert to fraction form
    31,883.14/43,999.10 = 18,270.91/x
  3. Step 3: Cross multiply
    31,883.14x = 43,999.10 × 18,270.91
  4. Step 4: Simplify right side
    31,883.14x = 803,903,628.34
  5. Step 5: Solve for x
    x = 803,903,628.34/31,883.14
  6. Step 6: Final answer
    x = 25,214.07

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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.