Home / 30,812.36-46,219.70-8,625.17

Finding the Fourth Proportional to 30,812.36, 46,219.70 and 8,625.17

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Solution

The fourth proportional to 30,812.36, 46,219.70 and 8,625.17 is: 12,938.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,812.36 : 46,219.70 = 8,625.17 : x
  2. Step 2: Convert to fraction form
    30,812.36/46,219.70 = 8,625.17/x
  3. Step 3: Cross multiply
    30,812.36x = 46,219.70 × 8,625.17
  4. Step 4: Simplify right side
    30,812.36x = 398,652,654.30
  5. Step 5: Solve for x
    x = 398,652,654.30/30,812.36
  6. Step 6: Final answer
    x = 12,938.08

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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.