Home / 55,620.20-83,430.30-51,933.80

Finding the Fourth Proportional to 55,620.20, 83,430.30 and 51,933.80

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Solution

The fourth proportional to 55,620.20, 83,430.30 and 51,933.80 is: 77,900.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,620.20 : 83,430.30 = 51,933.80 : x
  2. Step 2: Convert to fraction form
    55,620.20/83,430.30 = 51,933.80/x
  3. Step 3: Cross multiply
    55,620.20x = 83,430.30 × 51,933.80
  4. Step 4: Simplify right side
    55,620.20x = 4,332,852,514.14
  5. Step 5: Solve for x
    x = 4,332,852,514.14/55,620.20
  6. Step 6: Final answer
    x = 77,900.70

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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.