Home / 31,582.75-43,579.52-18,154.57

Finding the Fourth Proportional to 31,582.75, 43,579.52 and 18,154.57

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Solution

The fourth proportional to 31,582.75, 43,579.52 and 18,154.57 is: 25,050.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,582.75 : 43,579.52 = 18,154.57 : x
  2. Step 2: Convert to fraction form
    31,582.75/43,579.52 = 18,154.57/x
  3. Step 3: Cross multiply
    31,582.75x = 43,579.52 × 18,154.57
  4. Step 4: Simplify right side
    31,582.75x = 791,167,228.51
  5. Step 5: Solve for x
    x = 791,167,228.51/31,582.75
  6. Step 6: Final answer
    x = 25,050.62

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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.