Home / 38,212.48-52,732.96-21,445.60

Finding the Fourth Proportional to 38,212.48, 52,732.96 and 21,445.60

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Solution

The fourth proportional to 38,212.48, 52,732.96 and 21,445.60 is: 29,594.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,212.48 : 52,732.96 = 21,445.60 : x
  2. Step 2: Convert to fraction form
    38,212.48/52,732.96 = 21,445.60/x
  3. Step 3: Cross multiply
    38,212.48x = 52,732.96 × 21,445.60
  4. Step 4: Simplify right side
    38,212.48x = 1,130,889,966.98
  5. Step 5: Solve for x
    x = 1,130,889,966.98/38,212.48
  6. Step 6: Final answer
    x = 29,594.78

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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.