Home / 30,913.38-46,369.99-20,306.69

Finding the Fourth Proportional to 30,913.38, 46,369.99 and 20,306.69

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Solution

The fourth proportional to 30,913.38, 46,369.99 and 20,306.69 is: 30,459.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,913.38 : 46,369.99 = 20,306.69 : x
  2. Step 2: Convert to fraction form
    30,913.38/46,369.99 = 20,306.69/x
  3. Step 3: Cross multiply
    30,913.38x = 46,369.99 × 20,306.69
  4. Step 4: Simplify right side
    30,913.38x = 941,621,012.23
  5. Step 5: Solve for x
    x = 941,621,012.23/30,913.38
  6. Step 6: Final answer
    x = 30,459.98

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1.5x scale

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.