Home / 30,204.86-41,685.98-18,274.77

Finding the Fourth Proportional to 30,204.86, 41,685.98 and 18,274.77

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Solution

The fourth proportional to 30,204.86, 41,685.98 and 18,274.77 is: 25,221.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,204.86 : 41,685.98 = 18,274.77 : x
  2. Step 2: Convert to fraction form
    30,204.86/41,685.98 = 18,274.77/x
  3. Step 3: Cross multiply
    30,204.86x = 41,685.98 × 18,274.77
  4. Step 4: Simplify right side
    30,204.86x = 761,801,605.35
  5. Step 5: Solve for x
    x = 761,801,605.35/30,204.86
  6. Step 6: Final answer
    x = 25,221.16

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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.