Home / 30,926.08-46,389.12-18,691.84

Finding the Fourth Proportional to 30,926.08, 46,389.12 and 18,691.84

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Solution

The fourth proportional to 30,926.08, 46,389.12 and 18,691.84 is: 28,037.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,926.08 : 46,389.12 = 18,691.84 : x
  2. Step 2: Convert to fraction form
    30,926.08/46,389.12 = 18,691.84/x
  3. Step 3: Cross multiply
    30,926.08x = 46,389.12 × 18,691.84
  4. Step 4: Simplify right side
    30,926.08x = 867,098,008.78
  5. Step 5: Solve for x
    x = 867,098,008.78/30,926.08
  6. Step 6: Final answer
    x = 28,037.76

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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.