Home / 41,291.72-56,987.35-38,758.31

Finding the Fourth Proportional to 41,291.72, 56,987.35 and 38,758.31

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Solution

The fourth proportional to 41,291.72, 56,987.35 and 38,758.31 is: 53,490.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,291.72 : 56,987.35 = 38,758.31 : x
  2. Step 2: Convert to fraction form
    41,291.72/56,987.35 = 38,758.31/x
  3. Step 3: Cross multiply
    41,291.72x = 56,987.35 × 38,758.31
  4. Step 4: Simplify right side
    41,291.72x = 2,208,732,995.55
  5. Step 5: Solve for x
    x = 2,208,732,995.55/41,291.72
  6. Step 6: Final answer
    x = 53,490.95

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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.