Home / 57,277.73-79,043.72-31,784.20

Finding the Fourth Proportional to 57,277.73, 79,043.72 and 31,784.20

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Solution

The fourth proportional to 57,277.73, 79,043.72 and 31,784.20 is: 43,862.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,277.73 : 79,043.72 = 31,784.20 : x
  2. Step 2: Convert to fraction form
    57,277.73/79,043.72 = 31,784.20/x
  3. Step 3: Cross multiply
    57,277.73x = 79,043.72 × 31,784.20
  4. Step 4: Simplify right side
    57,277.73x = 2,512,340,851.08
  5. Step 5: Solve for x
    x = 2,512,340,851.08/57,277.73
  6. Step 6: Final answer
    x = 43,862.44

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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.