Home / 39,367.80-54,326.20-21,462.52

Finding the Fourth Proportional to 39,367.80, 54,326.20 and 21,462.52

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Solution

The fourth proportional to 39,367.80, 54,326.20 and 21,462.52 is: 29,617.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,367.80 : 54,326.20 = 21,462.52 : x
  2. Step 2: Convert to fraction form
    39,367.80/54,326.20 = 21,462.52/x
  3. Step 3: Cross multiply
    39,367.80x = 54,326.20 × 21,462.52
  4. Step 4: Simplify right side
    39,367.80x = 1,165,977,154.02
  5. Step 5: Solve for x
    x = 1,165,977,154.02/39,367.80
  6. Step 6: Final answer
    x = 29,617.53

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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.