Home / 34,722.28-47,916.72-18,806.80

Finding the Fourth Proportional to 34,722.28, 47,916.72 and 18,806.80

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Solution

The fourth proportional to 34,722.28, 47,916.72 and 18,806.80 is: 25,953.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,722.28 : 47,916.72 = 18,806.80 : x
  2. Step 2: Convert to fraction form
    34,722.28/47,916.72 = 18,806.80/x
  3. Step 3: Cross multiply
    34,722.28x = 47,916.72 × 18,806.80
  4. Step 4: Simplify right side
    34,722.28x = 901,160,169.70
  5. Step 5: Solve for x
    x = 901,160,169.70/34,722.28
  6. Step 6: Final answer
    x = 25,953.37

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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.