Home / 38,590.13-53,252.93-21,823.49

Finding the Fourth Proportional to 38,590.13, 53,252.93 and 21,823.49

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Solution

The fourth proportional to 38,590.13, 53,252.93 and 21,823.49 is: 30,115.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,590.13 : 53,252.93 = 21,823.49 : x
  2. Step 2: Convert to fraction form
    38,590.13/53,252.93 = 21,823.49/x
  3. Step 3: Cross multiply
    38,590.13x = 53,252.93 × 21,823.49
  4. Step 4: Simplify right side
    38,590.13x = 1,162,164,676.21
  5. Step 5: Solve for x
    x = 1,162,164,676.21/38,590.13
  6. Step 6: Final answer
    x = 30,115.59

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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.