Home / 35,536.60-53,321.10-16,809.40

Finding the Fourth Proportional to 35,536.60, 53,321.10 and 16,809.40

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Solution

The fourth proportional to 35,536.60, 53,321.10 and 16,809.40 is: 25,221.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,536.60 : 53,321.10 = 16,809.40 : x
  2. Step 2: Convert to fraction form
    35,536.60/53,321.10 = 16,809.40/x
  3. Step 3: Cross multiply
    35,536.60x = 53,321.10 × 16,809.40
  4. Step 4: Simplify right side
    35,536.60x = 896,295,698.34
  5. Step 5: Solve for x
    x = 896,295,698.34/35,536.60
  6. Step 6: Final answer
    x = 25,221.76

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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.