Home / 54,695.64-82,035.99-21,438.95

Finding the Fourth Proportional to 54,695.64, 82,035.99 and 21,438.95

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Solution

The fourth proportional to 54,695.64, 82,035.99 and 21,438.95 is: 32,155.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,695.64 : 82,035.99 = 21,438.95 : x
  2. Step 2: Convert to fraction form
    54,695.64/82,035.99 = 21,438.95/x
  3. Step 3: Cross multiply
    54,695.64x = 82,035.99 × 21,438.95
  4. Step 4: Simplify right side
    54,695.64x = 1,758,765,077.63
  5. Step 5: Solve for x
    x = 1,758,765,077.63/54,695.64
  6. Step 6: Final answer
    x = 32,155.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.