Home / 30,914.88-46,385.28-10,140.48

Finding the Fourth Proportional to 30,914.88, 46,385.28 and 10,140.48

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Solution

The fourth proportional to 30,914.88, 46,385.28 and 10,140.48 is: 15,214.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,914.88 : 46,385.28 = 10,140.48 : x
  2. Step 2: Convert to fraction form
    30,914.88/46,385.28 = 10,140.48/x
  3. Step 3: Cross multiply
    30,914.88x = 46,385.28 × 10,140.48
  4. Step 4: Simplify right side
    30,914.88x = 470,369,004.13
  5. Step 5: Solve for x
    x = 470,369,004.13/30,914.88
  6. Step 6: Final answer
    x = 15,214.97

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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.