Home / 30,776.64-46,251.54-18,298.92

Finding the Fourth Proportional to 30,776.64, 46,251.54 and 18,298.92

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Solution

The fourth proportional to 30,776.64, 46,251.54 and 18,298.92 is: 27,499.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,776.64 : 46,251.54 = 18,298.92 : x
  2. Step 2: Convert to fraction form
    30,776.64/46,251.54 = 18,298.92/x
  3. Step 3: Cross multiply
    30,776.64x = 46,251.54 × 18,298.92
  4. Step 4: Simplify right side
    30,776.64x = 846,353,230.34
  5. Step 5: Solve for x
    x = 846,353,230.34/30,776.64
  6. Step 6: Final answer
    x = 27,499.86

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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.