Home / 45,802.45-68,687.47-21,783.92

Finding the Fourth Proportional to 45,802.45, 68,687.47 and 21,783.92

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Solution

The fourth proportional to 45,802.45, 68,687.47 and 21,783.92 is: 32,668.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,802.45 : 68,687.47 = 21,783.92 : x
  2. Step 2: Convert to fraction form
    45,802.45/68,687.47 = 21,783.92/x
  3. Step 3: Cross multiply
    45,802.45x = 68,687.47 × 21,783.92
  4. Step 4: Simplify right side
    45,802.45x = 1,496,282,351.48
  5. Step 5: Solve for x
    x = 1,496,282,351.48/45,802.45
  6. Step 6: Final answer
    x = 32,668.17

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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.