Home / 30,279.64-41,779.62-17,701.96

Finding the Fourth Proportional to 30,279.64, 41,779.62 and 17,701.96

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Solution

The fourth proportional to 30,279.64, 41,779.62 and 17,701.96 is: 24,425.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,279.64 : 41,779.62 = 17,701.96 : x
  2. Step 2: Convert to fraction form
    30,279.64/41,779.62 = 17,701.96/x
  3. Step 3: Cross multiply
    30,279.64x = 41,779.62 × 17,701.96
  4. Step 4: Simplify right side
    30,279.64x = 739,581,162.06
  5. Step 5: Solve for x
    x = 739,581,162.06/30,279.64
  6. Step 6: Final answer
    x = 24,425.03

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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.