Home / 35,535.66-53,335.76-18,909.60

Finding the Fourth Proportional to 35,535.66, 53,335.76 and 18,909.60

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Solution

The fourth proportional to 35,535.66, 53,335.76 and 18,909.60 is: 28,381.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,535.66 : 53,335.76 = 18,909.60 : x
  2. Step 2: Convert to fraction form
    35,535.66/53,335.76 = 18,909.60/x
  3. Step 3: Cross multiply
    35,535.66x = 53,335.76 × 18,909.60
  4. Step 4: Simplify right side
    35,535.66x = 1,008,557,887.30
  5. Step 5: Solve for x
    x = 1,008,557,887.30/35,535.66
  6. Step 6: Final answer
    x = 28,381.57

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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.