Home / 33,068.66-45,635.47-20,328.71

Finding the Fourth Proportional to 33,068.66, 45,635.47 and 20,328.71

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Solution

The fourth proportional to 33,068.66, 45,635.47 and 20,328.71 is: 28,054.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,068.66 : 45,635.47 = 20,328.71 : x
  2. Step 2: Convert to fraction form
    33,068.66/45,635.47 = 20,328.71/x
  3. Step 3: Cross multiply
    33,068.66x = 45,635.47 × 20,328.71
  4. Step 4: Simplify right side
    33,068.66x = 927,709,956.34
  5. Step 5: Solve for x
    x = 927,709,956.34/33,068.66
  6. Step 6: Final answer
    x = 28,054.06

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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.