Home / 39,466.51-54,462.87-21,561.61

Finding the Fourth Proportional to 39,466.51, 54,462.87 and 21,561.61

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Solution

The fourth proportional to 39,466.51, 54,462.87 and 21,561.61 is: 29,754.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,466.51 : 54,462.87 = 21,561.61 : x
  2. Step 2: Convert to fraction form
    39,466.51/54,462.87 = 21,561.61/x
  3. Step 3: Cross multiply
    39,466.51x = 54,462.87 × 21,561.61
  4. Step 4: Simplify right side
    39,466.51x = 1,174,307,162.42
  5. Step 5: Solve for x
    x = 1,174,307,162.42/39,466.51
  6. Step 6: Final answer
    x = 29,754.52

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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.