Home / 31,810.26-43,900.14-17,663.34

Finding the Fourth Proportional to 31,810.26, 43,900.14 and 17,663.34

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Solution

The fourth proportional to 31,810.26, 43,900.14 and 17,663.34 is: 24,376.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,810.26 : 43,900.14 = 17,663.34 : x
  2. Step 2: Convert to fraction form
    31,810.26/43,900.14 = 17,663.34/x
  3. Step 3: Cross multiply
    31,810.26x = 43,900.14 × 17,663.34
  4. Step 4: Simplify right side
    31,810.26x = 775,423,098.87
  5. Step 5: Solve for x
    x = 775,423,098.87/31,810.26
  6. Step 6: Final answer
    x = 24,376.51

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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.