Home / 54,221.60-74,827.40-30,347.66

Finding the Fourth Proportional to 54,221.60, 74,827.40 and 30,347.66

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Solution

The fourth proportional to 54,221.60, 74,827.40 and 30,347.66 is: 41,880.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,221.60 : 74,827.40 = 30,347.66 : x
  2. Step 2: Convert to fraction form
    54,221.60/74,827.40 = 30,347.66/x
  3. Step 3: Cross multiply
    54,221.60x = 74,827.40 × 30,347.66
  4. Step 4: Simplify right side
    54,221.60x = 2,270,836,529.21
  5. Step 5: Solve for x
    x = 2,270,836,529.21/54,221.60
  6. Step 6: Final answer
    x = 41,880.66

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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.