Home / 35,909.17-53,867.52-13,722.40

Finding the Fourth Proportional to 35,909.17, 53,867.52 and 13,722.40

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Solution

The fourth proportional to 35,909.17, 53,867.52 and 13,722.40 is: 20,585.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,909.17 : 53,867.52 = 13,722.40 : x
  2. Step 2: Convert to fraction form
    35,909.17/53,867.52 = 13,722.40/x
  3. Step 3: Cross multiply
    35,909.17x = 53,867.52 × 13,722.40
  4. Step 4: Simplify right side
    35,909.17x = 739,191,628.73
  5. Step 5: Solve for x
    x = 739,191,628.73/35,909.17
  6. Step 6: Final answer
    x = 20,585.04

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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.