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Finding the Fourth Proportional to 58,173.42, 80,274.60 and 32,678.40

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Solution

The fourth proportional to 58,173.42, 80,274.60 and 32,678.40 is: 45,093.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,173.42 : 80,274.60 = 32,678.40 : x
  2. Step 2: Convert to fraction form
    58,173.42/80,274.60 = 32,678.40/x
  3. Step 3: Cross multiply
    58,173.42x = 80,274.60 × 32,678.40
  4. Step 4: Simplify right side
    58,173.42x = 2,623,245,488.64
  5. Step 5: Solve for x
    x = 2,623,245,488.64/58,173.42
  6. Step 6: Final answer
    x = 45,093.54

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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.