Home / 53,590.60-80,340.54-20,292.31

Finding the Fourth Proportional to 53,590.60, 80,340.54 and 20,292.31

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Solution

The fourth proportional to 53,590.60, 80,340.54 and 20,292.31 is: 30,421.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,590.60 : 80,340.54 = 20,292.31 : x
  2. Step 2: Convert to fraction form
    53,590.60/80,340.54 = 20,292.31/x
  3. Step 3: Cross multiply
    53,590.60x = 80,340.54 × 20,292.31
  4. Step 4: Simplify right side
    53,590.60x = 1,630,295,143.25
  5. Step 5: Solve for x
    x = 1,630,295,143.25/53,590.60
  6. Step 6: Final answer
    x = 30,421.29

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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.