Home / 30,988.82-46,457.32-14,360.77

Finding the Fourth Proportional to 30,988.82, 46,457.32 and 14,360.77

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Solution

The fourth proportional to 30,988.82, 46,457.32 and 14,360.77 is: 21,529.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,988.82 : 46,457.32 = 14,360.77 : x
  2. Step 2: Convert to fraction form
    30,988.82/46,457.32 = 14,360.77/x
  3. Step 3: Cross multiply
    30,988.82x = 46,457.32 × 14,360.77
  4. Step 4: Simplify right side
    30,988.82x = 667,162,655.05
  5. Step 5: Solve for x
    x = 667,162,655.05/30,988.82
  6. Step 6: Final answer
    x = 21,529.14

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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.