Home / 30,815.06-46,248.81-12,108.17

Finding the Fourth Proportional to 30,815.06, 46,248.81 and 12,108.17

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Solution

The fourth proportional to 30,815.06, 46,248.81 and 12,108.17 is: 18,172.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,815.06 : 46,248.81 = 12,108.17 : x
  2. Step 2: Convert to fraction form
    30,815.06/46,248.81 = 12,108.17/x
  3. Step 3: Cross multiply
    30,815.06x = 46,248.81 × 12,108.17
  4. Step 4: Simplify right side
    30,815.06x = 559,988,523.99
  5. Step 5: Solve for x
    x = 559,988,523.99/30,815.06
  6. Step 6: Final answer
    x = 18,172.56

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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.