Home / 30,028.32-45,055.38-16,860.96

Finding the Fourth Proportional to 30,028.32, 45,055.38 and 16,860.96

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Solution

The fourth proportional to 30,028.32, 45,055.38 and 16,860.96 is: 25,298.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,028.32 : 45,055.38 = 16,860.96 : x
  2. Step 2: Convert to fraction form
    30,028.32/45,055.38 = 16,860.96/x
  3. Step 3: Cross multiply
    30,028.32x = 45,055.38 × 16,860.96
  4. Step 4: Simplify right side
    30,028.32x = 759,676,959.96
  5. Step 5: Solve for x
    x = 759,676,959.96/30,028.32
  6. Step 6: Final answer
    x = 25,298.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.