Home / 30,664.88-46,002.12-9,890.48

Finding the Fourth Proportional to 30,664.88, 46,002.12 and 9,890.48

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Solution

The fourth proportional to 30,664.88, 46,002.12 and 9,890.48 is: 14,837.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,664.88 : 46,002.12 = 9,890.48 : x
  2. Step 2: Convert to fraction form
    30,664.88/46,002.12 = 9,890.48/x
  3. Step 3: Cross multiply
    30,664.88x = 46,002.12 × 9,890.48
  4. Step 4: Simplify right side
    30,664.88x = 454,983,047.82
  5. Step 5: Solve for x
    x = 454,983,047.82/30,664.88
  6. Step 6: Final answer
    x = 14,837.27

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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.