Home / 30,954.40-46,426.20-11,222.80

Finding the Fourth Proportional to 30,954.40, 46,426.20 and 11,222.80

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Solution

The fourth proportional to 30,954.40, 46,426.20 and 11,222.80 is: 16,832.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,954.40 : 46,426.20 = 11,222.80 : x
  2. Step 2: Convert to fraction form
    30,954.40/46,426.20 = 11,222.80/x
  3. Step 3: Cross multiply
    30,954.40x = 46,426.20 × 11,222.80
  4. Step 4: Simplify right side
    30,954.40x = 521,031,957.36
  5. Step 5: Solve for x
    x = 521,031,957.36/30,954.40
  6. Step 6: Final answer
    x = 16,832.24

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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.