Home / 30,943.20-46,408.88-8,751.23

Finding the Fourth Proportional to 30,943.20, 46,408.88 and 8,751.23

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Solution

The fourth proportional to 30,943.20, 46,408.88 and 8,751.23 is: 13,125.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,943.20 : 46,408.88 = 8,751.23 : x
  2. Step 2: Convert to fraction form
    30,943.20/46,408.88 = 8,751.23/x
  3. Step 3: Cross multiply
    30,943.20x = 46,408.88 × 8,751.23
  4. Step 4: Simplify right side
    30,943.20x = 406,134,782.92
  5. Step 5: Solve for x
    x = 406,134,782.92/30,943.20
  6. Step 6: Final answer
    x = 13,125.17

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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.