Home / 38,837.67-53,595.47-21,841.91

Finding the Fourth Proportional to 38,837.67, 53,595.47 and 21,841.91

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Solution

The fourth proportional to 38,837.67, 53,595.47 and 21,841.91 is: 30,141.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,837.67 : 53,595.47 = 21,841.91 : x
  2. Step 2: Convert to fraction form
    38,837.67/53,595.47 = 21,841.91/x
  3. Step 3: Cross multiply
    38,837.67x = 53,595.47 × 21,841.91
  4. Step 4: Simplify right side
    38,837.67x = 1,170,627,360.22
  5. Step 5: Solve for x
    x = 1,170,627,360.22/38,837.67
  6. Step 6: Final answer
    x = 30,141.55

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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.