Home / 36,260.15-54,390.14-20,458.00

Finding the Fourth Proportional to 36,260.15, 54,390.14 and 20,458.00

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Solution

The fourth proportional to 36,260.15, 54,390.14 and 20,458.00 is: 30,686.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,260.15 : 54,390.14 = 20,458.00 : x
  2. Step 2: Convert to fraction form
    36,260.15/54,390.14 = 20,458.00/x
  3. Step 3: Cross multiply
    36,260.15x = 54,390.14 × 20,458.00
  4. Step 4: Simplify right side
    36,260.15x = 1,112,713,603.25
  5. Step 5: Solve for x
    x = 1,112,713,603.25/36,260.15
  6. Step 6: Final answer
    x = 30,686.96

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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.