Home / 38,572.17-53,234.52-21,577.36

Finding the Fourth Proportional to 38,572.17, 53,234.52 and 21,577.36

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Solution

The fourth proportional to 38,572.17, 53,234.52 and 21,577.36 is: 29,779.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,572.17 : 53,234.52 = 21,577.36 : x
  2. Step 2: Convert to fraction form
    38,572.17/53,234.52 = 21,577.36/x
  3. Step 3: Cross multiply
    38,572.17x = 53,234.52 × 21,577.36
  4. Step 4: Simplify right side
    38,572.17x = 1,148,660,188.47
  5. Step 5: Solve for x
    x = 1,148,660,188.47/38,572.17
  6. Step 6: Final answer
    x = 29,779.51

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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.