Home / 38,525.58-53,162.73-21,757.50

Finding the Fourth Proportional to 38,525.58, 53,162.73 and 21,757.50

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Solution

The fourth proportional to 38,525.58, 53,162.73 and 21,757.50 is: 30,023.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,525.58 : 53,162.73 = 21,757.50 : x
  2. Step 2: Convert to fraction form
    38,525.58/53,162.73 = 21,757.50/x
  3. Step 3: Cross multiply
    38,525.58x = 53,162.73 × 21,757.50
  4. Step 4: Simplify right side
    38,525.58x = 1,156,688,097.98
  5. Step 5: Solve for x
    x = 1,156,688,097.98/38,525.58
  6. Step 6: Final answer
    x = 30,023.90

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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.