Home / 38,577.96-53,238.06-21,810.60

Finding the Fourth Proportional to 38,577.96, 53,238.06 and 21,810.60

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Solution

The fourth proportional to 38,577.96, 53,238.06 and 21,810.60 is: 30,098.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,577.96 : 53,238.06 = 21,810.60 : x
  2. Step 2: Convert to fraction form
    38,577.96/53,238.06 = 21,810.60/x
  3. Step 3: Cross multiply
    38,577.96x = 53,238.06 × 21,810.60
  4. Step 4: Simplify right side
    38,577.96x = 1,161,154,031.44
  5. Step 5: Solve for x
    x = 1,161,154,031.44/38,577.96
  6. Step 6: Final answer
    x = 30,098.90

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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.