Home / 38,572.30-53,234.69-21,577.48

Finding the Fourth Proportional to 38,572.30, 53,234.69 and 21,577.48

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Solution

The fourth proportional to 38,572.30, 53,234.69 and 21,577.48 is: 29,779.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,572.30 : 53,234.69 = 21,577.48 : x
  2. Step 2: Convert to fraction form
    38,572.30/53,234.69 = 21,577.48/x
  3. Step 3: Cross multiply
    38,572.30x = 53,234.69 × 21,577.48
  4. Step 4: Simplify right side
    38,572.30x = 1,148,670,591.87
  5. Step 5: Solve for x
    x = 1,148,670,591.87/38,572.30
  6. Step 6: Final answer
    x = 29,779.68

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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.