Home / 38,889.41-58,346.23-13,929.68

Finding the Fourth Proportional to 38,889.41, 58,346.23 and 13,929.68

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Solution

The fourth proportional to 38,889.41, 58,346.23 and 13,929.68 is: 20,898.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,889.41 : 58,346.23 = 13,929.68 : x
  2. Step 2: Convert to fraction form
    38,889.41/58,346.23 = 13,929.68/x
  3. Step 3: Cross multiply
    38,889.41x = 58,346.23 × 13,929.68
  4. Step 4: Simplify right side
    38,889.41x = 812,744,059.48
  5. Step 5: Solve for x
    x = 812,744,059.48/38,889.41
  6. Step 6: Final answer
    x = 20,898.85

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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.