Home / 43,192.28-64,732.80-20,962.64

Finding the Fourth Proportional to 43,192.28, 64,732.80 and 20,962.64

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Solution

The fourth proportional to 43,192.28, 64,732.80 and 20,962.64 is: 31,416.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,192.28 : 64,732.80 = 20,962.64 : x
  2. Step 2: Convert to fraction form
    43,192.28/64,732.80 = 20,962.64/x
  3. Step 3: Cross multiply
    43,192.28x = 64,732.80 × 20,962.64
  4. Step 4: Simplify right side
    43,192.28x = 1,356,970,382.59
  5. Step 5: Solve for x
    x = 1,356,970,382.59/43,192.28
  6. Step 6: Final answer
    x = 31,416.97

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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.