Home / 53,587.44-80,387.37-20,332.35

Finding the Fourth Proportional to 53,587.44, 80,387.37 and 20,332.35

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Solution

The fourth proportional to 53,587.44, 80,387.37 and 20,332.35 is: 30,500.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,587.44 : 80,387.37 = 20,332.35 : x
  2. Step 2: Convert to fraction form
    53,587.44/80,387.37 = 20,332.35/x
  3. Step 3: Cross multiply
    53,587.44x = 80,387.37 × 20,332.35
  4. Step 4: Simplify right side
    53,587.44x = 1,634,464,142.42
  5. Step 5: Solve for x
    x = 1,634,464,142.42/53,587.44
  6. Step 6: Final answer
    x = 30,500.88

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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.