Home / 56,579.21-84,868.94-21,048.32

Finding the Fourth Proportional to 56,579.21, 84,868.94 and 21,048.32

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Solution

The fourth proportional to 56,579.21, 84,868.94 and 21,048.32 is: 31,572.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,579.21 : 84,868.94 = 21,048.32 : x
  2. Step 2: Convert to fraction form
    56,579.21/84,868.94 = 21,048.32/x
  3. Step 3: Cross multiply
    56,579.21x = 84,868.94 × 21,048.32
  4. Step 4: Simplify right side
    56,579.21x = 1,786,348,873.24
  5. Step 5: Solve for x
    x = 1,786,348,873.24/56,579.21
  6. Step 6: Final answer
    x = 31,572.53

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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.