Home / 56,610.24-84,856.32-19,157.28

Finding the Fourth Proportional to 56,610.24, 84,856.32 and 19,157.28

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Solution

The fourth proportional to 56,610.24, 84,856.32 and 19,157.28 is: 28,715.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,610.24 : 84,856.32 = 19,157.28 : x
  2. Step 2: Convert to fraction form
    56,610.24/84,856.32 = 19,157.28/x
  3. Step 3: Cross multiply
    56,610.24x = 84,856.32 × 19,157.28
  4. Step 4: Simplify right side
    56,610.24x = 1,625,616,282.01
  5. Step 5: Solve for x
    x = 1,625,616,282.01/56,610.24
  6. Step 6: Final answer
    x = 28,715.94

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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.