Home / 39,821.40-59,732.10-16,128.90

Finding the Fourth Proportional to 39,821.40, 59,732.10 and 16,128.90

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Solution

The fourth proportional to 39,821.40, 59,732.10 and 16,128.90 is: 24,193.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,821.40 : 59,732.10 = 16,128.90 : x
  2. Step 2: Convert to fraction form
    39,821.40/59,732.10 = 16,128.90/x
  3. Step 3: Cross multiply
    39,821.40x = 59,732.10 × 16,128.90
  4. Step 4: Simplify right side
    39,821.40x = 963,413,067.69
  5. Step 5: Solve for x
    x = 963,413,067.69/39,821.40
  6. Step 6: Final answer
    x = 24,193.35

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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.