Home / 37,806.53-52,173.19-20,812.47

Finding the Fourth Proportional to 37,806.53, 52,173.19 and 20,812.47

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Solution

The fourth proportional to 37,806.53, 52,173.19 and 20,812.47 is: 28,721.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,806.53 : 52,173.19 = 20,812.47 : x
  2. Step 2: Convert to fraction form
    37,806.53/52,173.19 = 20,812.47/x
  3. Step 3: Cross multiply
    37,806.53x = 52,173.19 × 20,812.47
  4. Step 4: Simplify right side
    37,806.53x = 1,085,852,951.68
  5. Step 5: Solve for x
    x = 1,085,852,951.68/37,806.53
  6. Step 6: Final answer
    x = 28,721.31

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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.