Home / 33,077.10-45,645.35-18,929.64

Finding the Fourth Proportional to 33,077.10, 45,645.35 and 18,929.64

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Solution

The fourth proportional to 33,077.10, 45,645.35 and 18,929.64 is: 26,122.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,077.10 : 45,645.35 = 18,929.64 : x
  2. Step 2: Convert to fraction form
    33,077.10/45,645.35 = 18,929.64/x
  3. Step 3: Cross multiply
    33,077.10x = 45,645.35 × 18,929.64
  4. Step 4: Simplify right side
    33,077.10x = 864,049,948.53
  5. Step 5: Solve for x
    x = 864,049,948.53/33,077.10
  6. Step 6: Final answer
    x = 26,122.30

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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.