Home / 55,780.86-83,588.21-30,828.07

Finding the Fourth Proportional to 55,780.86, 83,588.21 and 30,828.07

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Solution

The fourth proportional to 55,780.86, 83,588.21 and 30,828.07 is: 46,196.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,780.86 : 83,588.21 = 30,828.07 : x
  2. Step 2: Convert to fraction form
    55,780.86/83,588.21 = 30,828.07/x
  3. Step 3: Cross multiply
    55,780.86x = 83,588.21 × 30,828.07
  4. Step 4: Simplify right side
    55,780.86x = 2,576,863,189.05
  5. Step 5: Solve for x
    x = 2,576,863,189.05/55,780.86
  6. Step 6: Final answer
    x = 46,196.19

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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.