Home / 38,698.21-53,412.33-22,787.79

Finding the Fourth Proportional to 38,698.21, 53,412.33 and 22,787.79

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Solution

The fourth proportional to 38,698.21, 53,412.33 and 22,787.79 is: 31,452.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,698.21 : 53,412.33 = 22,787.79 : x
  2. Step 2: Convert to fraction form
    38,698.21/53,412.33 = 22,787.79/x
  3. Step 3: Cross multiply
    38,698.21x = 53,412.33 × 22,787.79
  4. Step 4: Simplify right side
    38,698.21x = 1,217,148,959.45
  5. Step 5: Solve for x
    x = 1,217,148,959.45/38,698.21
  6. Step 6: Final answer
    x = 31,452.33

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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.