Home / 38,388.17-57,527.80-21,713.20

Finding the Fourth Proportional to 38,388.17, 57,527.80 and 21,713.20

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Solution

The fourth proportional to 38,388.17, 57,527.80 and 21,713.20 is: 32,539.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,388.17 : 57,527.80 = 21,713.20 : x
  2. Step 2: Convert to fraction form
    38,388.17/57,527.80 = 21,713.20/x
  3. Step 3: Cross multiply
    38,388.17x = 57,527.80 × 21,713.20
  4. Step 4: Simplify right side
    38,388.17x = 1,249,112,626.96
  5. Step 5: Solve for x
    x = 1,249,112,626.96/38,388.17
  6. Step 6: Final answer
    x = 32,539.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.