Home / 40,697.24-61,068.54-21,976.88

Finding the Fourth Proportional to 40,697.24, 61,068.54 and 21,976.88

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Solution

The fourth proportional to 40,697.24, 61,068.54 and 21,976.88 is: 32,977.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,697.24 : 61,068.54 = 21,976.88 : x
  2. Step 2: Convert to fraction form
    40,697.24/61,068.54 = 21,976.88/x
  3. Step 3: Cross multiply
    40,697.24x = 61,068.54 × 21,976.88
  4. Step 4: Simplify right side
    40,697.24x = 1,342,095,975.36
  5. Step 5: Solve for x
    x = 1,342,095,975.36/40,697.24
  6. Step 6: Final answer
    x = 32,977.57

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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.