Home / 38,627.05-53,308.24-21,630.41

Finding the Fourth Proportional to 38,627.05, 53,308.24 and 21,630.41

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Solution

The fourth proportional to 38,627.05, 53,308.24 and 21,630.41 is: 29,851.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,627.05 : 53,308.24 = 21,630.41 : x
  2. Step 2: Convert to fraction form
    38,627.05/53,308.24 = 21,630.41/x
  3. Step 3: Cross multiply
    38,627.05x = 53,308.24 × 21,630.41
  4. Step 4: Simplify right side
    38,627.05x = 1,153,079,087.58
  5. Step 5: Solve for x
    x = 1,153,079,087.58/38,627.05
  6. Step 6: Final answer
    x = 29,851.60

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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.