Home / 38,777.76-58,164.32-13,816.49

Finding the Fourth Proportional to 38,777.76, 58,164.32 and 13,816.49

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Solution

The fourth proportional to 38,777.76, 58,164.32 and 13,816.49 is: 20,723.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,777.76 : 58,164.32 = 13,816.49 : x
  2. Step 2: Convert to fraction form
    38,777.76/58,164.32 = 13,816.49/x
  3. Step 3: Cross multiply
    38,777.76x = 58,164.32 × 13,816.49
  4. Step 4: Simplify right side
    38,777.76x = 803,626,489.36
  5. Step 5: Solve for x
    x = 803,626,489.36/38,777.76
  6. Step 6: Final answer
    x = 20,723.90

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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.