Home / 30,176.34-41,671.74-19,440.06

Finding the Fourth Proportional to 30,176.34, 41,671.74 and 19,440.06

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Solution

The fourth proportional to 30,176.34, 41,671.74 and 19,440.06 is: 26,845.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,176.34 : 41,671.74 = 19,440.06 : x
  2. Step 2: Convert to fraction form
    30,176.34/41,671.74 = 19,440.06/x
  3. Step 3: Cross multiply
    30,176.34x = 41,671.74 × 19,440.06
  4. Step 4: Simplify right side
    30,176.34x = 810,101,125.90
  5. Step 5: Solve for x
    x = 810,101,125.90/30,176.34
  6. Step 6: Final answer
    x = 26,845.57

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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.