Home / 63,673.04-87,816.66-39,457.18

Finding the Fourth Proportional to 63,673.04, 87,816.66 and 39,457.18

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Solution

The fourth proportional to 63,673.04, 87,816.66 and 39,457.18 is: 54,418.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,673.04 : 87,816.66 = 39,457.18 : x
  2. Step 2: Convert to fraction form
    63,673.04/87,816.66 = 39,457.18/x
  3. Step 3: Cross multiply
    63,673.04x = 87,816.66 × 39,457.18
  4. Step 4: Simplify right side
    63,673.04x = 3,464,997,722.43
  5. Step 5: Solve for x
    x = 3,464,997,722.43/63,673.04
  6. Step 6: Final answer
    x = 54,418.60

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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.