Home / 38,011.31-52,453.96-20,783.36

Finding the Fourth Proportional to 38,011.31, 52,453.96 and 20,783.36

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Solution

The fourth proportional to 38,011.31, 52,453.96 and 20,783.36 is: 28,680.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,011.31 : 52,453.96 = 20,783.36 : x
  2. Step 2: Convert to fraction form
    38,011.31/52,453.96 = 20,783.36/x
  3. Step 3: Cross multiply
    38,011.31x = 52,453.96 × 20,783.36
  4. Step 4: Simplify right side
    38,011.31x = 1,090,169,613.28
  5. Step 5: Solve for x
    x = 1,090,169,613.28/38,011.31
  6. Step 6: Final answer
    x = 28,680.14

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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.