Home / 35,800.86-53,723.48-20,815.04

Finding the Fourth Proportional to 35,800.86, 53,723.48 and 20,815.04

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Solution

The fourth proportional to 35,800.86, 53,723.48 and 20,815.04 is: 31,235.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,800.86 : 53,723.48 = 20,815.04 : x
  2. Step 2: Convert to fraction form
    35,800.86/53,723.48 = 20,815.04/x
  3. Step 3: Cross multiply
    35,800.86x = 53,723.48 × 20,815.04
  4. Step 4: Simplify right side
    35,800.86x = 1,118,256,415.37
  5. Step 5: Solve for x
    x = 1,118,256,415.37/35,800.86
  6. Step 6: Final answer
    x = 31,235.46

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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.