Home / 30,904.56-46,345.20-11,178.24

Finding the Fourth Proportional to 30,904.56, 46,345.20 and 11,178.24

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Solution

The fourth proportional to 30,904.56, 46,345.20 and 11,178.24 is: 16,763.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,904.56 : 46,345.20 = 11,178.24 : x
  2. Step 2: Convert to fraction form
    30,904.56/46,345.20 = 11,178.24/x
  3. Step 3: Cross multiply
    30,904.56x = 46,345.20 × 11,178.24
  4. Step 4: Simplify right side
    30,904.56x = 518,057,768.45
  5. Step 5: Solve for x
    x = 518,057,768.45/30,904.56
  6. Step 6: Final answer
    x = 16,763.15

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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.