Home / 53,590.32-80,385.48-18,530.28

Finding the Fourth Proportional to 53,590.32, 80,385.48 and 18,530.28

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Solution

The fourth proportional to 53,590.32, 80,385.48 and 18,530.28 is: 27,795.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,590.32 : 80,385.48 = 18,530.28 : x
  2. Step 2: Convert to fraction form
    53,590.32/80,385.48 = 18,530.28/x
  3. Step 3: Cross multiply
    53,590.32x = 80,385.48 × 18,530.28
  4. Step 4: Simplify right side
    53,590.32x = 1,489,565,452.33
  5. Step 5: Solve for x
    x = 1,489,565,452.33/53,590.32
  6. Step 6: Final answer
    x = 27,795.42

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1.5x scale

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.