Home / 30,926.72-46,390.08-17,770.70

Finding the Fourth Proportional to 30,926.72, 46,390.08 and 17,770.70

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Solution

The fourth proportional to 30,926.72, 46,390.08 and 17,770.70 is: 26,656.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,926.72 : 46,390.08 = 17,770.70 : x
  2. Step 2: Convert to fraction form
    30,926.72/46,390.08 = 17,770.70/x
  3. Step 3: Cross multiply
    30,926.72x = 46,390.08 × 17,770.70
  4. Step 4: Simplify right side
    30,926.72x = 824,384,377.27
  5. Step 5: Solve for x
    x = 824,384,377.27/30,926.72
  6. Step 6: Final answer
    x = 26,656.05

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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.