Home / 47,536.40-65,579.64-28,663.04

Finding the Fourth Proportional to 47,536.40, 65,579.64 and 28,663.04

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Solution

The fourth proportional to 47,536.40, 65,579.64 and 28,663.04 is: 39,542.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,536.40 : 65,579.64 = 28,663.04 : x
  2. Step 2: Convert to fraction form
    47,536.40/65,579.64 = 28,663.04/x
  3. Step 3: Cross multiply
    47,536.40x = 65,579.64 × 28,663.04
  4. Step 4: Simplify right side
    47,536.40x = 1,879,711,844.51
  5. Step 5: Solve for x
    x = 1,879,711,844.51/47,536.40
  6. Step 6: Final answer
    x = 39,542.58

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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.