Home / 30,484.14-42,071.97-18,546.76

Finding the Fourth Proportional to 30,484.14, 42,071.97 and 18,546.76

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Solution

The fourth proportional to 30,484.14, 42,071.97 and 18,546.76 is: 25,596.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,484.14 : 42,071.97 = 18,546.76 : x
  2. Step 2: Convert to fraction form
    30,484.14/42,071.97 = 18,546.76/x
  3. Step 3: Cross multiply
    30,484.14x = 42,071.97 × 18,546.76
  4. Step 4: Simplify right side
    30,484.14x = 780,298,730.32
  5. Step 5: Solve for x
    x = 780,298,730.32/30,484.14
  6. Step 6: Final answer
    x = 25,596.88

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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.