Home / 30,759.45-46,103.18-14,121.08

Finding the Fourth Proportional to 30,759.45, 46,103.18 and 14,121.08

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Solution

The fourth proportional to 30,759.45, 46,103.18 and 14,121.08 is: 21,165.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,759.45 : 46,103.18 = 14,121.08 : x
  2. Step 2: Convert to fraction form
    30,759.45/46,103.18 = 14,121.08/x
  3. Step 3: Cross multiply
    30,759.45x = 46,103.18 × 14,121.08
  4. Step 4: Simplify right side
    30,759.45x = 651,026,824.13
  5. Step 5: Solve for x
    x = 651,026,824.13/30,759.45
  6. Step 6: Final answer
    x = 21,165.10

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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.