Home / 53,318.64-80,019.24-20,068.95

Finding the Fourth Proportional to 53,318.64, 80,019.24 and 20,068.95

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Solution

The fourth proportional to 53,318.64, 80,019.24 and 20,068.95 is: 30,118.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,318.64 : 80,019.24 = 20,068.95 : x
  2. Step 2: Convert to fraction form
    53,318.64/80,019.24 = 20,068.95/x
  3. Step 3: Cross multiply
    53,318.64x = 80,019.24 × 20,068.95
  4. Step 4: Simplify right side
    53,318.64x = 1,605,902,126.60
  5. Step 5: Solve for x
    x = 1,605,902,126.60/53,318.64
  6. Step 6: Final answer
    x = 30,118.96

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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.