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Finding the Fourth Proportional to 32,955.94, 45,481.53 and 18,810.91

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Solution

The fourth proportional to 32,955.94, 45,481.53 and 18,810.91 is: 25,960.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,955.94 : 45,481.53 = 18,810.91 : x
  2. Step 2: Convert to fraction form
    32,955.94/45,481.53 = 18,810.91/x
  3. Step 3: Cross multiply
    32,955.94x = 45,481.53 × 18,810.91
  4. Step 4: Simplify right side
    32,955.94x = 855,548,967.49
  5. Step 5: Solve for x
    x = 855,548,967.49/32,955.94
  6. Step 6: Final answer
    x = 25,960.39

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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.