Home / 54,466.47-81,689.99-14,485.68

Finding the Fourth Proportional to 54,466.47, 81,689.99 and 14,485.68

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Solution

The fourth proportional to 54,466.47, 81,689.99 and 14,485.68 is: 21,725.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,466.47 : 81,689.99 = 14,485.68 : x
  2. Step 2: Convert to fraction form
    54,466.47/81,689.99 = 14,485.68/x
  3. Step 3: Cross multiply
    54,466.47x = 81,689.99 × 14,485.68
  4. Step 4: Simplify right side
    54,466.47x = 1,183,334,981.91
  5. Step 5: Solve for x
    x = 1,183,334,981.91/54,466.47
  6. Step 6: Final answer
    x = 21,725.93

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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.