Home / 72,527.20-108,788.06-19,935.32

Finding the Fourth Proportional to 72,527.20, 108,788.06 and 19,935.32

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Solution

The fourth proportional to 72,527.20, 108,788.06 and 19,935.32 is: 29,902.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,527.20 : 108,788.06 = 19,935.32 : x
  2. Step 2: Convert to fraction form
    72,527.20/108,788.06 = 19,935.32/x
  3. Step 3: Cross multiply
    72,527.20x = 108,788.06 × 19,935.32
  4. Step 4: Simplify right side
    72,527.20x = 2,168,724,788.28
  5. Step 5: Solve for x
    x = 2,168,724,788.28/72,527.20
  6. Step 6: Final answer
    x = 29,902.23

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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.