Home / 33,281.32-45,926.34-19,867.72

Finding the Fourth Proportional to 33,281.32, 45,926.34 and 19,867.72

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Solution

The fourth proportional to 33,281.32, 45,926.34 and 19,867.72 is: 27,416.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,281.32 : 45,926.34 = 19,867.72 : x
  2. Step 2: Convert to fraction form
    33,281.32/45,926.34 = 19,867.72/x
  3. Step 3: Cross multiply
    33,281.32x = 45,926.34 × 19,867.72
  4. Step 4: Simplify right side
    33,281.32x = 912,451,663.74
  5. Step 5: Solve for x
    x = 912,451,663.74/33,281.32
  6. Step 6: Final answer
    x = 27,416.33

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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.