Home / 31,900.74-44,019.75-18,476.35

Finding the Fourth Proportional to 31,900.74, 44,019.75 and 18,476.35

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Solution

The fourth proportional to 31,900.74, 44,019.75 and 18,476.35 is: 25,495.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,900.74 : 44,019.75 = 18,476.35 : x
  2. Step 2: Convert to fraction form
    31,900.74/44,019.75 = 18,476.35/x
  3. Step 3: Cross multiply
    31,900.74x = 44,019.75 × 18,476.35
  4. Step 4: Simplify right side
    31,900.74x = 813,324,514.76
  5. Step 5: Solve for x
    x = 813,324,514.76/31,900.74
  6. Step 6: Final answer
    x = 25,495.48

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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.