Home / 31,902.74-44,022.51-18,478.35

Finding the Fourth Proportional to 31,902.74, 44,022.51 and 18,478.35

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Solution

The fourth proportional to 31,902.74, 44,022.51 and 18,478.35 is: 25,498.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,902.74 : 44,022.51 = 18,478.35 : x
  2. Step 2: Convert to fraction form
    31,902.74/44,022.51 = 18,478.35/x
  3. Step 3: Cross multiply
    31,902.74x = 44,022.51 × 18,478.35
  4. Step 4: Simplify right side
    31,902.74x = 813,463,347.66
  5. Step 5: Solve for x
    x = 813,463,347.66/31,902.74
  6. Step 6: Final answer
    x = 25,498.23

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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.