Home / 30,936.95-46,405.38-11,215.46

Finding the Fourth Proportional to 30,936.95, 46,405.38 and 11,215.46

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Solution

The fourth proportional to 30,936.95, 46,405.38 and 11,215.46 is: 16,823.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,936.95 : 46,405.38 = 11,215.46 : x
  2. Step 2: Convert to fraction form
    30,936.95/46,405.38 = 11,215.46/x
  3. Step 3: Cross multiply
    30,936.95x = 46,405.38 × 11,215.46
  4. Step 4: Simplify right side
    30,936.95x = 520,457,683.17
  5. Step 5: Solve for x
    x = 520,457,683.17/30,936.95
  6. Step 6: Final answer
    x = 16,823.17

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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.