Home / 39,367.04-54,325.76-21,462.20

Finding the Fourth Proportional to 39,367.04, 54,325.76 and 21,462.20

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Solution

The fourth proportional to 39,367.04, 54,325.76 and 21,462.20 is: 29,617.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,367.04 : 54,325.76 = 21,462.20 : x
  2. Step 2: Convert to fraction form
    39,367.04/54,325.76 = 21,462.20/x
  3. Step 3: Cross multiply
    39,367.04x = 54,325.76 × 21,462.20
  4. Step 4: Simplify right side
    39,367.04x = 1,165,950,326.27
  5. Step 5: Solve for x
    x = 1,165,950,326.27/39,367.04
  6. Step 6: Final answer
    x = 29,617.42

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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.