Home / 54,118.00-74,683.15-31,457.43

Finding the Fourth Proportional to 54,118.00, 74,683.15 and 31,457.43

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Solution

The fourth proportional to 54,118.00, 74,683.15 and 31,457.43 is: 43,411.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,118.00 : 74,683.15 = 31,457.43 : x
  2. Step 2: Convert to fraction form
    54,118.00/74,683.15 = 31,457.43/x
  3. Step 3: Cross multiply
    54,118.00x = 74,683.15 × 31,457.43
  4. Step 4: Simplify right side
    54,118.00x = 2,349,339,975.84
  5. Step 5: Solve for x
    x = 2,349,339,975.84/54,118.00
  6. Step 6: Final answer
    x = 43,411.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.