Home / 30,199.13-41,678.45-18,263.58

Finding the Fourth Proportional to 30,199.13, 41,678.45 and 18,263.58

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Solution

The fourth proportional to 30,199.13, 41,678.45 and 18,263.58 is: 25,205.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,199.13 : 41,678.45 = 18,263.58 : x
  2. Step 2: Convert to fraction form
    30,199.13/41,678.45 = 18,263.58/x
  3. Step 3: Cross multiply
    30,199.13x = 41,678.45 × 18,263.58
  4. Step 4: Simplify right side
    30,199.13x = 761,197,526.73
  5. Step 5: Solve for x
    x = 761,197,526.73/30,199.13
  6. Step 6: Final answer
    x = 25,205.94

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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.