Home / 55,678.08-76,732.70-39,546.08

Finding the Fourth Proportional to 55,678.08, 76,732.70 and 39,546.08

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Solution

The fourth proportional to 55,678.08, 76,732.70 and 39,546.08 is: 54,500.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,678.08 : 76,732.70 = 39,546.08 : x
  2. Step 2: Convert to fraction form
    55,678.08/76,732.70 = 39,546.08/x
  3. Step 3: Cross multiply
    55,678.08x = 76,732.70 × 39,546.08
  4. Step 4: Simplify right side
    55,678.08x = 3,034,477,492.82
  5. Step 5: Solve for x
    x = 3,034,477,492.82/55,678.08
  6. Step 6: Final answer
    x = 54,500.40

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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.