Home / 38,257.67-52,793.30-21,490.31

Finding the Fourth Proportional to 38,257.67, 52,793.30 and 21,490.31

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Solution

The fourth proportional to 38,257.67, 52,793.30 and 21,490.31 is: 29,655.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,257.67 : 52,793.30 = 21,490.31 : x
  2. Step 2: Convert to fraction form
    38,257.67/52,793.30 = 21,490.31/x
  3. Step 3: Cross multiply
    38,257.67x = 52,793.30 × 21,490.31
  4. Step 4: Simplify right side
    38,257.67x = 1,134,544,011.50
  5. Step 5: Solve for x
    x = 1,134,544,011.50/38,257.67
  6. Step 6: Final answer
    x = 29,655.34

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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.