Home / 32,885.39-45,381.79-17,778.07

Finding the Fourth Proportional to 32,885.39, 45,381.79 and 17,778.07

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Solution

The fourth proportional to 32,885.39, 45,381.79 and 17,778.07 is: 24,533.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,885.39 : 45,381.79 = 17,778.07 : x
  2. Step 2: Convert to fraction form
    32,885.39/45,381.79 = 17,778.07/x
  3. Step 3: Cross multiply
    32,885.39x = 45,381.79 × 17,778.07
  4. Step 4: Simplify right side
    32,885.39x = 806,800,481.45
  5. Step 5: Solve for x
    x = 806,800,481.45/32,885.39
  6. Step 6: Final answer
    x = 24,533.70

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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.