Home / 37,809.67-52,178.52-20,812.99

Finding the Fourth Proportional to 37,809.67, 52,178.52 and 20,812.99

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Solution

The fourth proportional to 37,809.67, 52,178.52 and 20,812.99 is: 28,722.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,809.67 : 52,178.52 = 20,812.99 : x
  2. Step 2: Convert to fraction form
    37,809.67/52,178.52 = 20,812.99/x
  3. Step 3: Cross multiply
    37,809.67x = 52,178.52 × 20,812.99
  4. Step 4: Simplify right side
    37,809.67x = 1,085,991,014.97
  5. Step 5: Solve for x
    x = 1,085,991,014.97/37,809.67
  6. Step 6: Final answer
    x = 28,722.57

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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.