Home / 30,823.32-42,536.49-16,676.46

Finding the Fourth Proportional to 30,823.32, 42,536.49 and 16,676.46

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Solution

The fourth proportional to 30,823.32, 42,536.49 and 16,676.46 is: 23,013.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,823.32 : 42,536.49 = 16,676.46 : x
  2. Step 2: Convert to fraction form
    30,823.32/42,536.49 = 16,676.46/x
  3. Step 3: Cross multiply
    30,823.32x = 42,536.49 × 16,676.46
  4. Step 4: Simplify right side
    30,823.32x = 709,358,074.03
  5. Step 5: Solve for x
    x = 709,358,074.03/30,823.32
  6. Step 6: Final answer
    x = 23,013.68

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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.