Home / 38,572.96-53,229.80-21,577.44

Finding the Fourth Proportional to 38,572.96, 53,229.80 and 21,577.44

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Solution

The fourth proportional to 38,572.96, 53,229.80 and 21,577.44 is: 29,776.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,572.96 : 53,229.80 = 21,577.44 : x
  2. Step 2: Convert to fraction form
    38,572.96/53,229.80 = 21,577.44/x
  3. Step 3: Cross multiply
    38,572.96x = 53,229.80 × 21,577.44
  4. Step 4: Simplify right side
    38,572.96x = 1,148,562,815.71
  5. Step 5: Solve for x
    x = 1,148,562,815.71/38,572.96
  6. Step 6: Final answer
    x = 29,776.37

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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.