Home / 38,534.86-53,178.48-22,619.56

Finding the Fourth Proportional to 38,534.86, 53,178.48 and 22,619.56

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Solution

The fourth proportional to 38,534.86, 53,178.48 and 22,619.56 is: 31,215.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,534.86 : 53,178.48 = 22,619.56 : x
  2. Step 2: Convert to fraction form
    38,534.86/53,178.48 = 22,619.56/x
  3. Step 3: Cross multiply
    38,534.86x = 53,178.48 × 22,619.56
  4. Step 4: Simplify right side
    38,534.86x = 1,202,873,819.07
  5. Step 5: Solve for x
    x = 1,202,873,819.07/38,534.86
  6. Step 6: Final answer
    x = 31,215.21

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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.