Home / 43,214.31-64,821.47-10,382.31

Finding the Fourth Proportional to 43,214.31, 64,821.47 and 10,382.31

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Solution

The fourth proportional to 43,214.31, 64,821.47 and 10,382.31 is: 15,573.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,214.31 : 64,821.47 = 10,382.31 : x
  2. Step 2: Convert to fraction form
    43,214.31/64,821.47 = 10,382.31/x
  3. Step 3: Cross multiply
    43,214.31x = 64,821.47 × 10,382.31
  4. Step 4: Simplify right side
    43,214.31x = 672,996,596.20
  5. Step 5: Solve for x
    x = 672,996,596.20/43,214.31
  6. Step 6: Final answer
    x = 15,573.47

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Similar ratio
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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.