Home / 40,677.08-60,992.25-21,678.32

Finding the Fourth Proportional to 40,677.08, 60,992.25 and 21,678.32

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Solution

The fourth proportional to 40,677.08, 60,992.25 and 21,678.32 is: 32,505.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,677.08 : 60,992.25 = 21,678.32 : x
  2. Step 2: Convert to fraction form
    40,677.08/60,992.25 = 21,678.32/x
  3. Step 3: Cross multiply
    40,677.08x = 60,992.25 × 21,678.32
  4. Step 4: Simplify right side
    40,677.08x = 1,322,209,513.02
  5. Step 5: Solve for x
    x = 1,322,209,513.02/40,677.08
  6. Step 6: Final answer
    x = 32,505.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.