Home / 30,104.19-45,131.67-11,373.62

Finding the Fourth Proportional to 30,104.19, 45,131.67 and 11,373.62

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Solution

The fourth proportional to 30,104.19, 45,131.67 and 11,373.62 is: 17,051.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,104.19 : 45,131.67 = 11,373.62 : x
  2. Step 2: Convert to fraction form
    30,104.19/45,131.67 = 11,373.62/x
  3. Step 3: Cross multiply
    30,104.19x = 45,131.67 × 11,373.62
  4. Step 4: Simplify right side
    30,104.19x = 513,310,238.89
  5. Step 5: Solve for x
    x = 513,310,238.89/30,104.19
  6. Step 6: Final answer
    x = 17,051.12

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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.