Home / 30,927.12-46,392.36-8,742.24

Finding the Fourth Proportional to 30,927.12, 46,392.36 and 8,742.24

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Solution

The fourth proportional to 30,927.12, 46,392.36 and 8,742.24 is: 13,113.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,927.12 : 46,392.36 = 8,742.24 : x
  2. Step 2: Convert to fraction form
    30,927.12/46,392.36 = 8,742.24/x
  3. Step 3: Cross multiply
    30,927.12x = 46,392.36 × 8,742.24
  4. Step 4: Simplify right side
    30,927.12x = 405,573,145.29
  5. Step 5: Solve for x
    x = 405,573,145.29/30,927.12
  6. Step 6: Final answer
    x = 13,113.83

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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.