Home / 38,763.58-53,493.06-21,767.96

Finding the Fourth Proportional to 38,763.58, 53,493.06 and 21,767.96

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Solution

The fourth proportional to 38,763.58, 53,493.06 and 21,767.96 is: 30,039.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,763.58 : 53,493.06 = 21,767.96 : x
  2. Step 2: Convert to fraction form
    38,763.58/53,493.06 = 21,767.96/x
  3. Step 3: Cross multiply
    38,763.58x = 53,493.06 × 21,767.96
  4. Step 4: Simplify right side
    38,763.58x = 1,164,434,790.36
  5. Step 5: Solve for x
    x = 1,164,434,790.36/38,763.58
  6. Step 6: Final answer
    x = 30,039.40

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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.