Home / 31,529.17-43,508.51-18,099.54

Finding the Fourth Proportional to 31,529.17, 43,508.51 and 18,099.54

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Solution

The fourth proportional to 31,529.17, 43,508.51 and 18,099.54 is: 24,976.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,529.17 : 43,508.51 = 18,099.54 : x
  2. Step 2: Convert to fraction form
    31,529.17/43,508.51 = 18,099.54/x
  3. Step 3: Cross multiply
    31,529.17x = 43,508.51 × 18,099.54
  4. Step 4: Simplify right side
    31,529.17x = 787,483,994.46
  5. Step 5: Solve for x
    x = 787,483,994.46/31,529.17
  6. Step 6: Final answer
    x = 24,976.37

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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.