Home / 43,092.64-64,663.60-19,718.88

Finding the Fourth Proportional to 43,092.64, 64,663.60 and 19,718.88

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Solution

The fourth proportional to 43,092.64, 64,663.60 and 19,718.88 is: 29,589.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,092.64 : 64,663.60 = 19,718.88 : x
  2. Step 2: Convert to fraction form
    43,092.64/64,663.60 = 19,718.88/x
  3. Step 3: Cross multiply
    43,092.64x = 64,663.60 × 19,718.88
  4. Step 4: Simplify right side
    43,092.64x = 1,275,093,768.77
  5. Step 5: Solve for x
    x = 1,275,093,768.77/43,092.64
  6. Step 6: Final answer
    x = 29,589.60

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1.5x scale

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.