Home / 35,907.60-53,854.20-13,705.68

Finding the Fourth Proportional to 35,907.60, 53,854.20 and 13,705.68

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Solution

The fourth proportional to 35,907.60, 53,854.20 and 13,705.68 is: 20,555.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,907.60 : 53,854.20 = 13,705.68 : x
  2. Step 2: Convert to fraction form
    35,907.60/53,854.20 = 13,705.68/x
  3. Step 3: Cross multiply
    35,907.60x = 53,854.20 × 13,705.68
  4. Step 4: Simplify right side
    35,907.60x = 738,108,431.86
  5. Step 5: Solve for x
    x = 738,108,431.86/35,907.60
  6. Step 6: Final answer
    x = 20,555.77

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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.