Home / 53,964.60-80,946.90-38,218.20

Finding the Fourth Proportional to 53,964.60, 80,946.90 and 38,218.20

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Solution

The fourth proportional to 53,964.60, 80,946.90 and 38,218.20 is: 57,327.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,964.60 : 80,946.90 = 38,218.20 : x
  2. Step 2: Convert to fraction form
    53,964.60/80,946.90 = 38,218.20/x
  3. Step 3: Cross multiply
    53,964.60x = 80,946.90 × 38,218.20
  4. Step 4: Simplify right side
    53,964.60x = 3,093,644,813.58
  5. Step 5: Solve for x
    x = 3,093,644,813.58/53,964.60
  6. Step 6: Final answer
    x = 57,327.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.