Home / 38,743.86-58,096.64-13,780.20

Finding the Fourth Proportional to 38,743.86, 58,096.64 and 13,780.20

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Solution

The fourth proportional to 38,743.86, 58,096.64 and 13,780.20 is: 20,663.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,743.86 : 58,096.64 = 13,780.20 : x
  2. Step 2: Convert to fraction form
    38,743.86/58,096.64 = 13,780.20/x
  3. Step 3: Cross multiply
    38,743.86x = 58,096.64 × 13,780.20
  4. Step 4: Simplify right side
    38,743.86x = 800,583,318.53
  5. Step 5: Solve for x
    x = 800,583,318.53/38,743.86
  6. Step 6: Final answer
    x = 20,663.49

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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.