Home / 54,212.76-74,790.54-38,310.84

Finding the Fourth Proportional to 54,212.76, 74,790.54 and 38,310.84

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Solution

The fourth proportional to 54,212.76, 74,790.54 and 38,310.84 is: 52,852.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,212.76 : 74,790.54 = 38,310.84 : x
  2. Step 2: Convert to fraction form
    54,212.76/74,790.54 = 38,310.84/x
  3. Step 3: Cross multiply
    54,212.76x = 74,790.54 × 38,310.84
  4. Step 4: Simplify right side
    54,212.76x = 2,865,288,411.45
  5. Step 5: Solve for x
    x = 2,865,288,411.45/54,212.76
  6. Step 6: Final answer
    x = 52,852.66

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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.