Home / 29,678.51-40,954.77-16,247.17

Finding the Fourth Proportional to 29,678.51, 40,954.77 and 16,247.17

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Solution

The fourth proportional to 29,678.51, 40,954.77 and 16,247.17 is: 22,420.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,678.51 : 40,954.77 = 16,247.17 : x
  2. Step 2: Convert to fraction form
    29,678.51/40,954.77 = 16,247.17/x
  3. Step 3: Cross multiply
    29,678.51x = 40,954.77 × 16,247.17
  4. Step 4: Simplify right side
    29,678.51x = 665,398,905.73
  5. Step 5: Solve for x
    x = 665,398,905.73/29,678.51
  6. Step 6: Final answer
    x = 22,420.23

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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.