Home / 39,421.54-59,149.92-21,415.24

Finding the Fourth Proportional to 39,421.54, 59,149.92 and 21,415.24

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Solution

The fourth proportional to 39,421.54, 59,149.92 and 21,415.24 is: 32,132.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,421.54 : 59,149.92 = 21,415.24 : x
  2. Step 2: Convert to fraction form
    39,421.54/59,149.92 = 21,415.24/x
  3. Step 3: Cross multiply
    39,421.54x = 59,149.92 × 21,415.24
  4. Step 4: Simplify right side
    39,421.54x = 1,266,709,732.78
  5. Step 5: Solve for x
    x = 1,266,709,732.78/39,421.54
  6. Step 6: Final answer
    x = 32,132.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.