Home / 39,602.16-54,650.82-21,697.14

Finding the Fourth Proportional to 39,602.16, 54,650.82 and 21,697.14

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Solution

The fourth proportional to 39,602.16, 54,650.82 and 21,697.14 is: 29,941.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,602.16 : 54,650.82 = 21,697.14 : x
  2. Step 2: Convert to fraction form
    39,602.16/54,650.82 = 21,697.14/x
  3. Step 3: Cross multiply
    39,602.16x = 54,650.82 × 21,697.14
  4. Step 4: Simplify right side
    39,602.16x = 1,185,766,492.65
  5. Step 5: Solve for x
    x = 1,185,766,492.65/39,602.16
  6. Step 6: Final answer
    x = 29,941.97

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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.