Home / 31,567.60-43,577.63-20,241.37

Finding the Fourth Proportional to 31,567.60, 43,577.63 and 20,241.37

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Solution

The fourth proportional to 31,567.60, 43,577.63 and 20,241.37 is: 27,942.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,567.60 : 43,577.63 = 20,241.37 : x
  2. Step 2: Convert to fraction form
    31,567.60/43,577.63 = 20,241.37/x
  3. Step 3: Cross multiply
    31,567.60x = 43,577.63 × 20,241.37
  4. Step 4: Simplify right side
    31,567.60x = 882,070,831.35
  5. Step 5: Solve for x
    x = 882,070,831.35/31,567.60
  6. Step 6: Final answer
    x = 27,942.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.