Home / 31,919.19-47,862.69-18,596.58

Finding the Fourth Proportional to 31,919.19, 47,862.69 and 18,596.58

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Solution

The fourth proportional to 31,919.19, 47,862.69 and 18,596.58 is: 27,885.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,919.19 : 47,862.69 = 18,596.58 : x
  2. Step 2: Convert to fraction form
    31,919.19/47,862.69 = 18,596.58/x
  3. Step 3: Cross multiply
    31,919.19x = 47,862.69 × 18,596.58
  4. Step 4: Simplify right side
    31,919.19x = 890,082,343.60
  5. Step 5: Solve for x
    x = 890,082,343.60/31,919.19
  6. Step 6: Final answer
    x = 27,885.49

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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.