Home / 53,565.24-80,359.12-20,284.58

Finding the Fourth Proportional to 53,565.24, 80,359.12 and 20,284.58

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Solution

The fourth proportional to 53,565.24, 80,359.12 and 20,284.58 is: 30,431.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,565.24 : 80,359.12 = 20,284.58 : x
  2. Step 2: Convert to fraction form
    53,565.24/80,359.12 = 20,284.58/x
  3. Step 3: Cross multiply
    53,565.24x = 80,359.12 × 20,284.58
  4. Step 4: Simplify right side
    53,565.24x = 1,630,050,998.37
  5. Step 5: Solve for x
    x = 1,630,050,998.37/53,565.24
  6. Step 6: Final answer
    x = 30,431.13

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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.