Home / 39,541.42-54,567.16-21,636.43

Finding the Fourth Proportional to 39,541.42, 54,567.16 and 21,636.43

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Solution

The fourth proportional to 39,541.42, 54,567.16 and 21,636.43 is: 29,858.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,541.42 : 54,567.16 = 21,636.43 : x
  2. Step 2: Convert to fraction form
    39,541.42/54,567.16 = 21,636.43/x
  3. Step 3: Cross multiply
    39,541.42x = 54,567.16 × 21,636.43
  4. Step 4: Simplify right side
    39,541.42x = 1,180,638,369.61
  5. Step 5: Solve for x
    x = 1,180,638,369.61/39,541.42
  6. Step 6: Final answer
    x = 29,858.27

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1.5x scale

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.