Home / 30,670.49-46,005.68-9,612.15

Finding the Fourth Proportional to 30,670.49, 46,005.68 and 9,612.15

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Solution

The fourth proportional to 30,670.49, 46,005.68 and 9,612.15 is: 14,418.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,670.49 : 46,005.68 = 9,612.15 : x
  2. Step 2: Convert to fraction form
    30,670.49/46,005.68 = 9,612.15/x
  3. Step 3: Cross multiply
    30,670.49x = 46,005.68 × 9,612.15
  4. Step 4: Simplify right side
    30,670.49x = 442,213,348.52
  5. Step 5: Solve for x
    x = 442,213,348.52/30,670.49
  6. Step 6: Final answer
    x = 14,418.20

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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.