Home / 30,856.92-46,290.24-11,140.32

Finding the Fourth Proportional to 30,856.92, 46,290.24 and 11,140.32

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Solution

The fourth proportional to 30,856.92, 46,290.24 and 11,140.32 is: 16,712.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,856.92 : 46,290.24 = 11,140.32 : x
  2. Step 2: Convert to fraction form
    30,856.92/46,290.24 = 11,140.32/x
  3. Step 3: Cross multiply
    30,856.92x = 46,290.24 × 11,140.32
  4. Step 4: Simplify right side
    30,856.92x = 515,688,086.48
  5. Step 5: Solve for x
    x = 515,688,086.48/30,856.92
  6. Step 6: Final answer
    x = 16,712.23

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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.