Home / 38,827.87-53,569.57-31,645.43

Finding the Fourth Proportional to 38,827.87, 53,569.57 and 31,645.43

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Solution

The fourth proportional to 38,827.87, 53,569.57 and 31,645.43 is: 43,660.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,827.87 : 53,569.57 = 31,645.43 : x
  2. Step 2: Convert to fraction form
    38,827.87/53,569.57 = 31,645.43/x
  3. Step 3: Cross multiply
    38,827.87x = 53,569.57 × 31,645.43
  4. Step 4: Simplify right side
    38,827.87x = 1,695,232,211.49
  5. Step 5: Solve for x
    x = 1,695,232,211.49/38,827.87
  6. Step 6: Final answer
    x = 43,660.19

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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.