Home / 38,467.51-53,084.96-21,470.77

Finding the Fourth Proportional to 38,467.51, 53,084.96 and 21,470.77

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Solution

The fourth proportional to 38,467.51, 53,084.96 and 21,470.77 is: 29,629.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,467.51 : 53,084.96 = 21,470.77 : x
  2. Step 2: Convert to fraction form
    38,467.51/53,084.96 = 21,470.77/x
  3. Step 3: Cross multiply
    38,467.51x = 53,084.96 × 21,470.77
  4. Step 4: Simplify right side
    38,467.51x = 1,139,774,859.27
  5. Step 5: Solve for x
    x = 1,139,774,859.27/38,467.51
  6. Step 6: Final answer
    x = 29,629.55

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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.