Home / 31,623.66-43,640.91-19,056.78

Finding the Fourth Proportional to 31,623.66, 43,640.91 and 19,056.78

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Solution

The fourth proportional to 31,623.66, 43,640.91 and 19,056.78 is: 26,298.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,623.66 : 43,640.91 = 19,056.78 : x
  2. Step 2: Convert to fraction form
    31,623.66/43,640.91 = 19,056.78/x
  3. Step 3: Cross multiply
    31,623.66x = 43,640.91 × 19,056.78
  4. Step 4: Simplify right side
    31,623.66x = 831,655,220.87
  5. Step 5: Solve for x
    x = 831,655,220.87/31,623.66
  6. Step 6: Final answer
    x = 26,298.51

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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.