Home / 48,305.94-72,430.63-21,996.33

Finding the Fourth Proportional to 48,305.94, 72,430.63 and 21,996.33

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Solution

The fourth proportional to 48,305.94, 72,430.63 and 21,996.33 is: 32,981.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,305.94 : 72,430.63 = 21,996.33 : x
  2. Step 2: Convert to fraction form
    48,305.94/72,430.63 = 21,996.33/x
  3. Step 3: Cross multiply
    48,305.94x = 72,430.63 × 21,996.33
  4. Step 4: Simplify right side
    48,305.94x = 1,593,208,039.59
  5. Step 5: Solve for x
    x = 1,593,208,039.59/48,305.94
  6. Step 6: Final answer
    x = 32,981.62

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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.