Home / 35,205.60-48,579.12-21,053.28

Finding the Fourth Proportional to 35,205.60, 48,579.12 and 21,053.28

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Solution

The fourth proportional to 35,205.60, 48,579.12 and 21,053.28 is: 29,050.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,205.60 : 48,579.12 = 21,053.28 : x
  2. Step 2: Convert to fraction form
    35,205.60/48,579.12 = 21,053.28/x
  3. Step 3: Cross multiply
    35,205.60x = 48,579.12 × 21,053.28
  4. Step 4: Simplify right side
    35,205.60x = 1,022,749,815.51
  5. Step 5: Solve for x
    x = 1,022,749,815.51/35,205.60
  6. Step 6: Final answer
    x = 29,050.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.