Home / 40,093.70-55,314.36-30,897.95

Finding the Fourth Proportional to 40,093.70, 55,314.36 and 30,897.95

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Solution

The fourth proportional to 40,093.70, 55,314.36 and 30,897.95 is: 42,627.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,093.70 : 55,314.36 = 30,897.95 : x
  2. Step 2: Convert to fraction form
    40,093.70/55,314.36 = 30,897.95/x
  3. Step 3: Cross multiply
    40,093.70x = 55,314.36 × 30,897.95
  4. Step 4: Simplify right side
    40,093.70x = 1,709,100,052.99
  5. Step 5: Solve for x
    x = 1,709,100,052.99/40,093.70
  6. Step 6: Final answer
    x = 42,627.65

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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.