Home / 54,457.03-81,689.64-15,013.81

Finding the Fourth Proportional to 54,457.03, 81,689.64 and 15,013.81

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Solution

The fourth proportional to 54,457.03, 81,689.64 and 15,013.81 is: 22,521.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,457.03 : 81,689.64 = 15,013.81 : x
  2. Step 2: Convert to fraction form
    54,457.03/81,689.64 = 15,013.81/x
  3. Step 3: Cross multiply
    54,457.03x = 81,689.64 × 15,013.81
  4. Step 4: Simplify right side
    54,457.03x = 1,226,472,733.93
  5. Step 5: Solve for x
    x = 1,226,472,733.93/54,457.03
  6. Step 6: Final answer
    x = 22,521.84

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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.