Home / 42,697.64-64,046.32-11,532.90

Finding the Fourth Proportional to 42,697.64, 64,046.32 and 11,532.90

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Solution

The fourth proportional to 42,697.64, 64,046.32 and 11,532.90 is: 17,299.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,697.64 : 64,046.32 = 11,532.90 : x
  2. Step 2: Convert to fraction form
    42,697.64/64,046.32 = 11,532.90/x
  3. Step 3: Cross multiply
    42,697.64x = 64,046.32 × 11,532.90
  4. Step 4: Simplify right side
    42,697.64x = 738,639,803.93
  5. Step 5: Solve for x
    x = 738,639,803.93/42,697.64
  6. Step 6: Final answer
    x = 17,299.31

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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.