Home / 38,755.35-53,495.87-22,838.78

Finding the Fourth Proportional to 38,755.35, 53,495.87 and 22,838.78

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Solution

The fourth proportional to 38,755.35, 53,495.87 and 22,838.78 is: 31,525.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,755.35 : 53,495.87 = 22,838.78 : x
  2. Step 2: Convert to fraction form
    38,755.35/53,495.87 = 22,838.78/x
  3. Step 3: Cross multiply
    38,755.35x = 53,495.87 × 22,838.78
  4. Step 4: Simplify right side
    38,755.35x = 1,221,780,405.84
  5. Step 5: Solve for x
    x = 1,221,780,405.84/38,755.35
  6. Step 6: Final answer
    x = 31,525.46

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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.