Home / 38,890.84-58,348.44-13,930.42

Finding the Fourth Proportional to 38,890.84, 58,348.44 and 13,930.42

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Solution

The fourth proportional to 38,890.84, 58,348.44 and 13,930.42 is: 20,899.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,890.84 : 58,348.44 = 13,930.42 : x
  2. Step 2: Convert to fraction form
    38,890.84/58,348.44 = 13,930.42/x
  3. Step 3: Cross multiply
    38,890.84x = 58,348.44 × 13,930.42
  4. Step 4: Simplify right side
    38,890.84x = 812,818,275.54
  5. Step 5: Solve for x
    x = 812,818,275.54/38,890.84
  6. Step 6: Final answer
    x = 20,899.99

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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.