Home / 30,005.63-41,407.77-17,431.19

Finding the Fourth Proportional to 30,005.63, 41,407.77 and 17,431.19

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Solution

The fourth proportional to 30,005.63, 41,407.77 and 17,431.19 is: 24,055.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,005.63 : 41,407.77 = 17,431.19 : x
  2. Step 2: Convert to fraction form
    30,005.63/41,407.77 = 17,431.19/x
  3. Step 3: Cross multiply
    30,005.63x = 41,407.77 × 17,431.19
  4. Step 4: Simplify right side
    30,005.63x = 721,786,412.15
  5. Step 5: Solve for x
    x = 721,786,412.15/30,005.63
  6. Step 6: Final answer
    x = 24,055.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.