Home / 30,913.68-46,374.24-10,919.07

Finding the Fourth Proportional to 30,913.68, 46,374.24 and 10,919.07

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Solution

The fourth proportional to 30,913.68, 46,374.24 and 10,919.07 is: 16,379.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,913.68 : 46,374.24 = 10,919.07 : x
  2. Step 2: Convert to fraction form
    30,913.68/46,374.24 = 10,919.07/x
  3. Step 3: Cross multiply
    30,913.68x = 46,374.24 × 10,919.07
  4. Step 4: Simplify right side
    30,913.68x = 506,363,572.76
  5. Step 5: Solve for x
    x = 506,363,572.76/30,913.68
  6. Step 6: Final answer
    x = 16,379.92

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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.