Home / 54,628.91-81,875.29-19,529.99

Finding the Fourth Proportional to 54,628.91, 81,875.29 and 19,529.99

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Solution

The fourth proportional to 54,628.91, 81,875.29 and 19,529.99 is: 29,270.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,628.91 : 81,875.29 = 19,529.99 : x
  2. Step 2: Convert to fraction form
    54,628.91/81,875.29 = 19,529.99/x
  3. Step 3: Cross multiply
    54,628.91x = 81,875.29 × 19,529.99
  4. Step 4: Simplify right side
    54,628.91x = 1,599,023,594.95
  5. Step 5: Solve for x
    x = 1,599,023,594.95/54,628.91
  6. Step 6: Final answer
    x = 29,270.65

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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.