Home / 38,255.25-52,798.52-31,871.72

Finding the Fourth Proportional to 38,255.25, 52,798.52 and 31,871.72

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Solution

The fourth proportional to 38,255.25, 52,798.52 and 31,871.72 is: 43,988.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,255.25 : 52,798.52 = 31,871.72 : x
  2. Step 2: Convert to fraction form
    38,255.25/52,798.52 = 31,871.72/x
  3. Step 3: Cross multiply
    38,255.25x = 52,798.52 × 31,871.72
  4. Step 4: Simplify right side
    38,255.25x = 1,682,779,857.53
  5. Step 5: Solve for x
    x = 1,682,779,857.53/38,255.25
  6. Step 6: Final answer
    x = 43,988.20

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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.