Home / 30,823.29-42,536.19-16,676.13

Finding the Fourth Proportional to 30,823.29, 42,536.19 and 16,676.13

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Solution

The fourth proportional to 30,823.29, 42,536.19 and 16,676.13 is: 23,013.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,823.29 : 42,536.19 = 16,676.13 : x
  2. Step 2: Convert to fraction form
    30,823.29/42,536.19 = 16,676.13/x
  3. Step 3: Cross multiply
    30,823.29x = 42,536.19 × 16,676.13
  4. Step 4: Simplify right side
    30,823.29x = 709,339,034.14
  5. Step 5: Solve for x
    x = 709,339,034.14/30,823.29
  6. Step 6: Final answer
    x = 23,013.09

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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.