Home / 38,452.05-53,063.75-21,455.25

Finding the Fourth Proportional to 38,452.05, 53,063.75 and 21,455.25

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Solution

The fourth proportional to 38,452.05, 53,063.75 and 21,455.25 is: 29,608.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,452.05 : 53,063.75 = 21,455.25 : x
  2. Step 2: Convert to fraction form
    38,452.05/53,063.75 = 21,455.25/x
  3. Step 3: Cross multiply
    38,452.05x = 53,063.75 × 21,455.25
  4. Step 4: Simplify right side
    38,452.05x = 1,138,495,914.91
  5. Step 5: Solve for x
    x = 1,138,495,914.91/38,452.05
  6. Step 6: Final answer
    x = 29,608.20

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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.