Home / 54,637.16-81,968.09-16,689.87

Finding the Fourth Proportional to 54,637.16, 81,968.09 and 16,689.87

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Solution

The fourth proportional to 54,637.16, 81,968.09 and 16,689.87 is: 25,038.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,637.16 : 81,968.09 = 16,689.87 : x
  2. Step 2: Convert to fraction form
    54,637.16/81,968.09 = 16,689.87/x
  3. Step 3: Cross multiply
    54,637.16x = 81,968.09 × 16,689.87
  4. Step 4: Simplify right side
    54,637.16x = 1,368,036,682.80
  5. Step 5: Solve for x
    x = 1,368,036,682.80/54,637.16
  6. Step 6: Final answer
    x = 25,038.58

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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.