Home / 30,949.85-46,424.25-9,889.74

Finding the Fourth Proportional to 30,949.85, 46,424.25 and 9,889.74

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Solution

The fourth proportional to 30,949.85, 46,424.25 and 9,889.74 is: 14,834.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,949.85 : 46,424.25 = 9,889.74 : x
  2. Step 2: Convert to fraction form
    30,949.85/46,424.25 = 9,889.74/x
  3. Step 3: Cross multiply
    30,949.85x = 46,424.25 × 9,889.74
  4. Step 4: Simplify right side
    30,949.85x = 459,123,762.20
  5. Step 5: Solve for x
    x = 459,123,762.20/30,949.85
  6. Step 6: Final answer
    x = 14,834.44

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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.