Home / 30,375.76-41,904.84-17,795.20

Finding the Fourth Proportional to 30,375.76, 41,904.84 and 17,795.20

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Solution

The fourth proportional to 30,375.76, 41,904.84 and 17,795.20 is: 24,549.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,375.76 : 41,904.84 = 17,795.20 : x
  2. Step 2: Convert to fraction form
    30,375.76/41,904.84 = 17,795.20/x
  3. Step 3: Cross multiply
    30,375.76x = 41,904.84 × 17,795.20
  4. Step 4: Simplify right side
    30,375.76x = 745,705,008.77
  5. Step 5: Solve for x
    x = 745,705,008.77/30,375.76
  6. Step 6: Final answer
    x = 24,549.34

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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.