Home / 38,622.24-53,295.84-21,852

Finding the Fourth Proportional to 38,622.24, 53,295.84 and 21,852

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Solution

The fourth proportional to 38,622.24, 53,295.84 and 21,852 is: 30,154.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,622.24 : 53,295.84 = 21,852 : x
  2. Step 2: Convert to fraction form
    38,622.24/53,295.84 = 21,852/x
  3. Step 3: Cross multiply
    38,622.24x = 53,295.84 × 21,852
  4. Step 4: Simplify right side
    38,622.24x = 1,164,620,695.68
  5. Step 5: Solve for x
    x = 1,164,620,695.68/38,622.24
  6. Step 6: Final answer
    x = 30,154.15

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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.