Home / 38,930.32-53,723.84-21,025.34

Finding the Fourth Proportional to 38,930.32, 53,723.84 and 21,025.34

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Solution

The fourth proportional to 38,930.32, 53,723.84 and 21,025.34 is: 29,014.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,930.32 : 53,723.84 = 21,025.34 : x
  2. Step 2: Convert to fraction form
    38,930.32/53,723.84 = 21,025.34/x
  3. Step 3: Cross multiply
    38,930.32x = 53,723.84 × 21,025.34
  4. Step 4: Simplify right side
    38,930.32x = 1,129,562,002.11
  5. Step 5: Solve for x
    x = 1,129,562,002.11/38,930.32
  6. Step 6: Final answer
    x = 29,014.97

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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.