Home / 31,036.23-42,829.97-16,889.04

Finding the Fourth Proportional to 31,036.23, 42,829.97 and 16,889.04

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Solution

The fourth proportional to 31,036.23, 42,829.97 and 16,889.04 is: 23,306.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,036.23 : 42,829.97 = 16,889.04 : x
  2. Step 2: Convert to fraction form
    31,036.23/42,829.97 = 16,889.04/x
  3. Step 3: Cross multiply
    31,036.23x = 42,829.97 × 16,889.04
  4. Step 4: Simplify right side
    31,036.23x = 723,356,992.08
  5. Step 5: Solve for x
    x = 723,356,992.08/31,036.23
  6. Step 6: Final answer
    x = 23,306.86

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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.