Home / 38,627.04-53,308.23-21,630.42

Finding the Fourth Proportional to 38,627.04, 53,308.23 and 21,630.42

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Solution

The fourth proportional to 38,627.04, 53,308.23 and 21,630.42 is: 29,851.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,627.04 : 53,308.23 = 21,630.42 : x
  2. Step 2: Convert to fraction form
    38,627.04/53,308.23 = 21,630.42/x
  3. Step 3: Cross multiply
    38,627.04x = 53,308.23 × 21,630.42
  4. Step 4: Simplify right side
    38,627.04x = 1,153,079,404.36
  5. Step 5: Solve for x
    x = 1,153,079,404.36/38,627.04
  6. Step 6: Final answer
    x = 29,851.61

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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.