Home / 38,445.90-52,976.61-28,358.39

Finding the Fourth Proportional to 38,445.90, 52,976.61 and 28,358.39

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Solution

The fourth proportional to 38,445.90, 52,976.61 and 28,358.39 is: 39,076.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,445.90 : 52,976.61 = 28,358.39 : x
  2. Step 2: Convert to fraction form
    38,445.90/52,976.61 = 28,358.39/x
  3. Step 3: Cross multiply
    38,445.90x = 52,976.61 × 28,358.39
  4. Step 4: Simplify right side
    38,445.90x = 1,502,331,102.37
  5. Step 5: Solve for x
    x = 1,502,331,102.37/38,445.90
  6. Step 6: Final answer
    x = 39,076.50

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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.