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Finding the Fourth Proportional to 33,303, 45,957.30 and 18,195.72

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Solution

The fourth proportional to 33,303, 45,957.30 and 18,195.72 is: 25,109.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,303 : 45,957.30 = 18,195.72 : x
  2. Step 2: Convert to fraction form
    33,303/45,957.30 = 18,195.72/x
  3. Step 3: Cross multiply
    33,303x = 45,957.30 × 18,195.72
  4. Step 4: Simplify right side
    33,303x = 836,226,162.76
  5. Step 5: Solve for x
    x = 836,226,162.76/33,303
  6. Step 6: Final answer
    x = 25,109.63

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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.