Home / 38,468.70-53,086.59-21,471.96

Finding the Fourth Proportional to 38,468.70, 53,086.59 and 21,471.96

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Solution

The fourth proportional to 38,468.70, 53,086.59 and 21,471.96 is: 29,631.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,468.70 : 53,086.59 = 21,471.96 : x
  2. Step 2: Convert to fraction form
    38,468.70/53,086.59 = 21,471.96/x
  3. Step 3: Cross multiply
    38,468.70x = 53,086.59 × 21,471.96
  4. Step 4: Simplify right side
    38,468.70x = 1,139,873,137.02
  5. Step 5: Solve for x
    x = 1,139,873,137.02/38,468.70
  6. Step 6: Final answer
    x = 29,631.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.