Home / 30,905.28-46,357.92-11,180.16

Finding the Fourth Proportional to 30,905.28, 46,357.92 and 11,180.16

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Solution

The fourth proportional to 30,905.28, 46,357.92 and 11,180.16 is: 16,770.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,905.28 : 46,357.92 = 11,180.16 : x
  2. Step 2: Convert to fraction form
    30,905.28/46,357.92 = 11,180.16/x
  3. Step 3: Cross multiply
    30,905.28x = 46,357.92 × 11,180.16
  4. Step 4: Simplify right side
    30,905.28x = 518,288,962.87
  5. Step 5: Solve for x
    x = 518,288,962.87/30,905.28
  6. Step 6: Final answer
    x = 16,770.24

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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.