Home / 34,620.05-47,774.54-21,880.07

Finding the Fourth Proportional to 34,620.05, 47,774.54 and 21,880.07

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Solution

The fourth proportional to 34,620.05, 47,774.54 and 21,880.07 is: 30,193.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,620.05 : 47,774.54 = 21,880.07 : x
  2. Step 2: Convert to fraction form
    34,620.05/47,774.54 = 21,880.07/x
  3. Step 3: Cross multiply
    34,620.05x = 47,774.54 × 21,880.07
  4. Step 4: Simplify right side
    34,620.05x = 1,045,310,274.40
  5. Step 5: Solve for x
    x = 1,045,310,274.40/34,620.05
  6. Step 6: Final answer
    x = 30,193.78

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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.