Home / 30,430.32-41,994.72-17,001.12

Finding the Fourth Proportional to 30,430.32, 41,994.72 and 17,001.12

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Solution

The fourth proportional to 30,430.32, 41,994.72 and 17,001.12 is: 23,462.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,430.32 : 41,994.72 = 17,001.12 : x
  2. Step 2: Convert to fraction form
    30,430.32/41,994.72 = 17,001.12/x
  3. Step 3: Cross multiply
    30,430.32x = 41,994.72 × 17,001.12
  4. Step 4: Simplify right side
    30,430.32x = 713,957,274.09
  5. Step 5: Solve for x
    x = 713,957,274.09/30,430.32
  6. Step 6: Final answer
    x = 23,462.04

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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.