Home / 31,535.34-43,516.68-17,388.14

Finding the Fourth Proportional to 31,535.34, 43,516.68 and 17,388.14

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Solution

The fourth proportional to 31,535.34, 43,516.68 and 17,388.14 is: 23,994.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,535.34 : 43,516.68 = 17,388.14 : x
  2. Step 2: Convert to fraction form
    31,535.34/43,516.68 = 17,388.14/x
  3. Step 3: Cross multiply
    31,535.34x = 43,516.68 × 17,388.14
  4. Step 4: Simplify right side
    31,535.34x = 756,674,124.18
  5. Step 5: Solve for x
    x = 756,674,124.18/31,535.34
  6. Step 6: Final answer
    x = 23,994.48

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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.