Home / 51,859.60-77,770.32-18,570.64

Finding the Fourth Proportional to 51,859.60, 77,770.32 and 18,570.64

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Solution

The fourth proportional to 51,859.60, 77,770.32 and 18,570.64 is: 27,849.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,859.60 : 77,770.32 = 18,570.64 : x
  2. Step 2: Convert to fraction form
    51,859.60/77,770.32 = 18,570.64/x
  3. Step 3: Cross multiply
    51,859.60x = 77,770.32 × 18,570.64
  4. Step 4: Simplify right side
    51,859.60x = 1,444,244,615.40
  5. Step 5: Solve for x
    x = 1,444,244,615.40/51,859.60
  6. Step 6: Final answer
    x = 27,849.13

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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.