Home / 56,849.32-85,291.74-19,410.28

Finding the Fourth Proportional to 56,849.32, 85,291.74 and 19,410.28

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Solution

The fourth proportional to 56,849.32, 85,291.74 and 19,410.28 is: 29,121.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,849.32 : 85,291.74 = 19,410.28 : x
  2. Step 2: Convert to fraction form
    56,849.32/85,291.74 = 19,410.28/x
  3. Step 3: Cross multiply
    56,849.32x = 85,291.74 × 19,410.28
  4. Step 4: Simplify right side
    56,849.32x = 1,655,536,555.09
  5. Step 5: Solve for x
    x = 1,655,536,555.09/56,849.32
  6. Step 6: Final answer
    x = 29,121.48

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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.