Home / 57,295.25-79,065.93-31,801.55

Finding the Fourth Proportional to 57,295.25, 79,065.93 and 31,801.55

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Solution

The fourth proportional to 57,295.25, 79,065.93 and 31,801.55 is: 43,885.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,295.25 : 79,065.93 = 31,801.55 : x
  2. Step 2: Convert to fraction form
    57,295.25/79,065.93 = 31,801.55/x
  3. Step 3: Cross multiply
    57,295.25x = 79,065.93 × 31,801.55
  4. Step 4: Simplify right side
    57,295.25x = 2,514,418,983.05
  5. Step 5: Solve for x
    x = 2,514,418,983.05/57,295.25
  6. Step 6: Final answer
    x = 43,885.30

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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.