Home / 30,931.44-46,355.85-16,109.28

Finding the Fourth Proportional to 30,931.44, 46,355.85 and 16,109.28

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Solution

The fourth proportional to 30,931.44, 46,355.85 and 16,109.28 is: 24,142.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,931.44 : 46,355.85 = 16,109.28 : x
  2. Step 2: Convert to fraction form
    30,931.44/46,355.85 = 16,109.28/x
  3. Step 3: Cross multiply
    30,931.44x = 46,355.85 × 16,109.28
  4. Step 4: Simplify right side
    30,931.44x = 746,759,367.29
  5. Step 5: Solve for x
    x = 746,759,367.29/30,931.44
  6. Step 6: Final answer
    x = 24,142.41

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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.