Home / 31,623.60-43,645.32-19,055.28

Finding the Fourth Proportional to 31,623.60, 43,645.32 and 19,055.28

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Solution

The fourth proportional to 31,623.60, 43,645.32 and 19,055.28 is: 26,299.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,623.60 : 43,645.32 = 19,055.28 : x
  2. Step 2: Convert to fraction form
    31,623.60/43,645.32 = 19,055.28/x
  3. Step 3: Cross multiply
    31,623.60x = 43,645.32 × 19,055.28
  4. Step 4: Simplify right side
    31,623.60x = 831,673,793.29
  5. Step 5: Solve for x
    x = 831,673,793.29/31,623.60
  6. Step 6: Final answer
    x = 26,299.15

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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.