Home / 38,539.14-53,182.89-21,543.41

Finding the Fourth Proportional to 38,539.14, 53,182.89 and 21,543.41

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Solution

The fourth proportional to 38,539.14, 53,182.89 and 21,543.41 is: 29,729.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,539.14 : 53,182.89 = 21,543.41 : x
  2. Step 2: Convert to fraction form
    38,539.14/53,182.89 = 21,543.41/x
  3. Step 3: Cross multiply
    38,539.14x = 53,182.89 × 21,543.41
  4. Step 4: Simplify right side
    38,539.14x = 1,145,740,937.21
  5. Step 5: Solve for x
    x = 1,145,740,937.21/38,539.14
  6. Step 6: Final answer
    x = 29,729.28

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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.