Home / 30,199.07-41,678.55-18,262.49

Finding the Fourth Proportional to 30,199.07, 41,678.55 and 18,262.49

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Solution

The fourth proportional to 30,199.07, 41,678.55 and 18,262.49 is: 25,204.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,199.07 : 41,678.55 = 18,262.49 : x
  2. Step 2: Convert to fraction form
    30,199.07/41,678.55 = 18,262.49/x
  3. Step 3: Cross multiply
    30,199.07x = 41,678.55 × 18,262.49
  4. Step 4: Simplify right side
    30,199.07x = 761,154,102.59
  5. Step 5: Solve for x
    x = 761,154,102.59/30,199.07
  6. Step 6: Final answer
    x = 25,204.55

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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.