Home / 35,329.04-48,732.48-20,979.14

Finding the Fourth Proportional to 35,329.04, 48,732.48 and 20,979.14

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Solution

The fourth proportional to 35,329.04, 48,732.48 and 20,979.14 is: 28,938.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,329.04 : 48,732.48 = 20,979.14 : x
  2. Step 2: Convert to fraction form
    35,329.04/48,732.48 = 20,979.14/x
  3. Step 3: Cross multiply
    35,329.04x = 48,732.48 × 20,979.14
  4. Step 4: Simplify right side
    35,329.04x = 1,022,365,520.47
  5. Step 5: Solve for x
    x = 1,022,365,520.47/35,329.04
  6. Step 6: Final answer
    x = 28,938.39

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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.