Home / 39,270.15-58,899.69-20,544.03

Finding the Fourth Proportional to 39,270.15, 58,899.69 and 20,544.03

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Solution

The fourth proportional to 39,270.15, 58,899.69 and 20,544.03 is: 30,813.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,270.15 : 58,899.69 = 20,544.03 : x
  2. Step 2: Convert to fraction form
    39,270.15/58,899.69 = 20,544.03/x
  3. Step 3: Cross multiply
    39,270.15x = 58,899.69 × 20,544.03
  4. Step 4: Simplify right side
    39,270.15x = 1,210,036,998.35
  5. Step 5: Solve for x
    x = 1,210,036,998.35/39,270.15
  6. Step 6: Final answer
    x = 30,813.15

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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.