Home / 39,588-54,629.84-23,681.24

Finding the Fourth Proportional to 39,588, 54,629.84 and 23,681.24

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Solution

The fourth proportional to 39,588, 54,629.84 and 23,681.24 is: 32,679.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,588 : 54,629.84 = 23,681.24 : x
  2. Step 2: Convert to fraction form
    39,588/54,629.84 = 23,681.24/x
  3. Step 3: Cross multiply
    39,588x = 54,629.84 × 23,681.24
  4. Step 4: Simplify right side
    39,588x = 1,293,702,352.20
  5. Step 5: Solve for x
    x = 1,293,702,352.20/39,588
  6. Step 6: Final answer
    x = 32,679.15

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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.