Home / 38,590.77-53,255.48-21,595.05

Finding the Fourth Proportional to 38,590.77, 53,255.48 and 21,595.05

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Solution

The fourth proportional to 38,590.77, 53,255.48 and 21,595.05 is: 29,801.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,590.77 : 53,255.48 = 21,595.05 : x
  2. Step 2: Convert to fraction form
    38,590.77/53,255.48 = 21,595.05/x
  3. Step 3: Cross multiply
    38,590.77x = 53,255.48 × 21,595.05
  4. Step 4: Simplify right side
    38,590.77x = 1,150,054,645.40
  5. Step 5: Solve for x
    x = 1,150,054,645.40/38,590.77
  6. Step 6: Final answer
    x = 29,801.28

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1.5x scale

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.