Home / 39,287.55-54,079.89-34,243.01

Finding the Fourth Proportional to 39,287.55, 54,079.89 and 34,243.01

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Solution

The fourth proportional to 39,287.55, 54,079.89 and 34,243.01 is: 47,136.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,287.55 : 54,079.89 = 34,243.01 : x
  2. Step 2: Convert to fraction form
    39,287.55/54,079.89 = 34,243.01/x
  3. Step 3: Cross multiply
    39,287.55x = 54,079.89 × 34,243.01
  4. Step 4: Simplify right side
    39,287.55x = 1,851,858,214.07
  5. Step 5: Solve for x
    x = 1,851,858,214.07/39,287.55
  6. Step 6: Final answer
    x = 47,136.01

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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.