Home / 19,990.47-29,911.71-16,029.62

Finding the Fourth Proportional to 19,990.47, 29,911.71 and 16,029.62

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Solution

The fourth proportional to 19,990.47, 29,911.71 and 16,029.62 is: 23,985.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,990.47 : 29,911.71 = 16,029.62 : x
  2. Step 2: Convert to fraction form
    19,990.47/29,911.71 = 16,029.62/x
  3. Step 3: Cross multiply
    19,990.47x = 29,911.71 × 16,029.62
  4. Step 4: Simplify right side
    19,990.47x = 479,473,367.57
  5. Step 5: Solve for x
    x = 479,473,367.57/19,990.47
  6. Step 6: Final answer
    x = 23,985.09

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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.