Home / 55,678.08-76,732.68-39,546.10

Finding the Fourth Proportional to 55,678.08, 76,732.68 and 39,546.10

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Solution

The fourth proportional to 55,678.08, 76,732.68 and 39,546.10 is: 54,500.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,678.08 : 76,732.68 = 39,546.10 : x
  2. Step 2: Convert to fraction form
    55,678.08/76,732.68 = 39,546.10/x
  3. Step 3: Cross multiply
    55,678.08x = 76,732.68 × 39,546.10
  4. Step 4: Simplify right side
    55,678.08x = 3,034,478,236.55
  5. Step 5: Solve for x
    x = 3,034,478,236.55/55,678.08
  6. Step 6: Final answer
    x = 54,500.41

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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.