Home / 38,817.42-58,237.47-12,521.58

Finding the Fourth Proportional to 38,817.42, 58,237.47 and 12,521.58

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Solution

The fourth proportional to 38,817.42, 58,237.47 and 12,521.58 is: 18,786.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,817.42 : 58,237.47 = 12,521.58 : x
  2. Step 2: Convert to fraction form
    38,817.42/58,237.47 = 12,521.58/x
  3. Step 3: Cross multiply
    38,817.42x = 58,237.47 × 12,521.58
  4. Step 4: Simplify right side
    38,817.42x = 729,225,139.60
  5. Step 5: Solve for x
    x = 729,225,139.60/38,817.42
  6. Step 6: Final answer
    x = 18,786.03

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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.