Home / 30,237.88-41,713.74-19,630.84

Finding the Fourth Proportional to 30,237.88, 41,713.74 and 19,630.84

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Solution

The fourth proportional to 30,237.88, 41,713.74 and 19,630.84 is: 27,081.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,237.88 : 41,713.74 = 19,630.84 : x
  2. Step 2: Convert to fraction form
    30,237.88/41,713.74 = 19,630.84/x
  3. Step 3: Cross multiply
    30,237.88x = 41,713.74 × 19,630.84
  4. Step 4: Simplify right side
    30,237.88x = 818,875,755.74
  5. Step 5: Solve for x
    x = 818,875,755.74/30,237.88
  6. Step 6: Final answer
    x = 27,081.12

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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.