Home / 35,007.90-48,313.78-19,905.31

Finding the Fourth Proportional to 35,007.90, 48,313.78 and 19,905.31

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Solution

The fourth proportional to 35,007.90, 48,313.78 and 19,905.31 is: 27,470.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,007.90 : 48,313.78 = 19,905.31 : x
  2. Step 2: Convert to fraction form
    35,007.90/48,313.78 = 19,905.31/x
  3. Step 3: Cross multiply
    35,007.90x = 48,313.78 × 19,905.31
  4. Step 4: Simplify right side
    35,007.90x = 961,700,768.17
  5. Step 5: Solve for x
    x = 961,700,768.17/35,007.90
  6. Step 6: Final answer
    x = 27,470.96

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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.