Home / 30,725.13-46,108.22-13,199.16

Finding the Fourth Proportional to 30,725.13, 46,108.22 and 13,199.16

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Solution

The fourth proportional to 30,725.13, 46,108.22 and 13,199.16 is: 19,807.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,725.13 : 46,108.22 = 13,199.16 : x
  2. Step 2: Convert to fraction form
    30,725.13/46,108.22 = 13,199.16/x
  3. Step 3: Cross multiply
    30,725.13x = 46,108.22 × 13,199.16
  4. Step 4: Simplify right side
    30,725.13x = 608,589,707.10
  5. Step 5: Solve for x
    x = 608,589,707.10/30,725.13
  6. Step 6: Final answer
    x = 19,807.56

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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.