Home / 35,439.79-53,161.62-14,376.70

Finding the Fourth Proportional to 35,439.79, 53,161.62 and 14,376.70

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Solution

The fourth proportional to 35,439.79, 53,161.62 and 14,376.70 is: 21,565.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,439.79 : 53,161.62 = 14,376.70 : x
  2. Step 2: Convert to fraction form
    35,439.79/53,161.62 = 14,376.70/x
  3. Step 3: Cross multiply
    35,439.79x = 53,161.62 × 14,376.70
  4. Step 4: Simplify right side
    35,439.79x = 764,288,662.25
  5. Step 5: Solve for x
    x = 764,288,662.25/35,439.79
  6. Step 6: Final answer
    x = 21,565.83

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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.