Home / 37,806.80-52,173.59-20,812.76

Finding the Fourth Proportional to 37,806.80, 52,173.59 and 20,812.76

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Solution

The fourth proportional to 37,806.80, 52,173.59 and 20,812.76 is: 28,721.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,806.80 : 52,173.59 = 20,812.76 : x
  2. Step 2: Convert to fraction form
    37,806.80/52,173.59 = 20,812.76/x
  3. Step 3: Cross multiply
    37,806.80x = 52,173.59 × 20,812.76
  4. Step 4: Simplify right side
    37,806.80x = 1,085,876,302.94
  5. Step 5: Solve for x
    x = 1,085,876,302.94/37,806.80
  6. Step 6: Final answer
    x = 28,721.72

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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.