Home / 30,898.99-46,346.80-10,909.43

Finding the Fourth Proportional to 30,898.99, 46,346.80 and 10,909.43

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Solution

The fourth proportional to 30,898.99, 46,346.80 and 10,909.43 is: 16,363.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,898.99 : 46,346.80 = 10,909.43 : x
  2. Step 2: Convert to fraction form
    30,898.99/46,346.80 = 10,909.43/x
  3. Step 3: Cross multiply
    30,898.99x = 46,346.80 × 10,909.43
  4. Step 4: Simplify right side
    30,898.99x = 505,617,170.32
  5. Step 5: Solve for x
    x = 505,617,170.32/30,898.99
  6. Step 6: Final answer
    x = 16,363.55

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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.