Home / 34,721.94-47,916.23-18,806.46

Finding the Fourth Proportional to 34,721.94, 47,916.23 and 18,806.46

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Solution

The fourth proportional to 34,721.94, 47,916.23 and 18,806.46 is: 25,952.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,721.94 : 47,916.23 = 18,806.46 : x
  2. Step 2: Convert to fraction form
    34,721.94/47,916.23 = 18,806.46/x
  3. Step 3: Cross multiply
    34,721.94x = 47,916.23 × 18,806.46
  4. Step 4: Simplify right side
    34,721.94x = 901,134,662.85
  5. Step 5: Solve for x
    x = 901,134,662.85/34,721.94
  6. Step 6: Final answer
    x = 25,952.89

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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.