Home / 35,387.42-48,829.06-20,277.17

Finding the Fourth Proportional to 35,387.42, 48,829.06 and 20,277.17

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Solution

The fourth proportional to 35,387.42, 48,829.06 and 20,277.17 is: 27,979.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,387.42 : 48,829.06 = 20,277.17 : x
  2. Step 2: Convert to fraction form
    35,387.42/48,829.06 = 20,277.17/x
  3. Step 3: Cross multiply
    35,387.42x = 48,829.06 × 20,277.17
  4. Step 4: Simplify right side
    35,387.42x = 990,114,805.03
  5. Step 5: Solve for x
    x = 990,114,805.03/35,387.42
  6. Step 6: Final answer
    x = 27,979.29

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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.