Home / 51,866.22-77,809.53-18,577.32

Finding the Fourth Proportional to 51,866.22, 77,809.53 and 18,577.32

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Solution

The fourth proportional to 51,866.22, 77,809.53 and 18,577.32 is: 27,869.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,866.22 : 77,809.53 = 18,577.32 : x
  2. Step 2: Convert to fraction form
    51,866.22/77,809.53 = 18,577.32/x
  3. Step 3: Cross multiply
    51,866.22x = 77,809.53 × 18,577.32
  4. Step 4: Simplify right side
    51,866.22x = 1,445,492,537.86
  5. Step 5: Solve for x
    x = 1,445,492,537.86/51,866.22
  6. Step 6: Final answer
    x = 27,869.63

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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.