Home / 37,218.80-55,828.20-30,738.80

Finding the Fourth Proportional to 37,218.80, 55,828.20 and 30,738.80

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Solution

The fourth proportional to 37,218.80, 55,828.20 and 30,738.80 is: 46,108.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,218.80 : 55,828.20 = 30,738.80 : x
  2. Step 2: Convert to fraction form
    37,218.80/55,828.20 = 30,738.80/x
  3. Step 3: Cross multiply
    37,218.80x = 55,828.20 × 30,738.80
  4. Step 4: Simplify right side
    37,218.80x = 1,716,091,874.16
  5. Step 5: Solve for x
    x = 1,716,091,874.16/37,218.80
  6. Step 6: Final answer
    x = 46,108.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.