Home / 30,122.88-41,590.32-23,036.96

Finding the Fourth Proportional to 30,122.88, 41,590.32 and 23,036.96

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Solution

The fourth proportional to 30,122.88, 41,590.32 and 23,036.96 is: 31,806.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,122.88 : 41,590.32 = 23,036.96 : x
  2. Step 2: Convert to fraction form
    30,122.88/41,590.32 = 23,036.96/x
  3. Step 3: Cross multiply
    30,122.88x = 41,590.32 × 23,036.96
  4. Step 4: Simplify right side
    30,122.88x = 958,114,538.23
  5. Step 5: Solve for x
    x = 958,114,538.23/30,122.88
  6. Step 6: Final answer
    x = 31,806.87

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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.