Home / 38,180.34-52,688.82-21,187.35

Finding the Fourth Proportional to 38,180.34, 52,688.82 and 21,187.35

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Solution

The fourth proportional to 38,180.34, 52,688.82 and 21,187.35 is: 29,238.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,180.34 : 52,688.82 = 21,187.35 : x
  2. Step 2: Convert to fraction form
    38,180.34/52,688.82 = 21,187.35/x
  3. Step 3: Cross multiply
    38,180.34x = 52,688.82 × 21,187.35
  4. Step 4: Simplify right side
    38,180.34x = 1,116,336,470.43
  5. Step 5: Solve for x
    x = 1,116,336,470.43/38,180.34
  6. Step 6: Final answer
    x = 29,238.52

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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.