Home / 35,135.75-48,488.53-20,030.64

Finding the Fourth Proportional to 35,135.75, 48,488.53 and 20,030.64

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Solution

The fourth proportional to 35,135.75, 48,488.53 and 20,030.64 is: 27,642.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,135.75 : 48,488.53 = 20,030.64 : x
  2. Step 2: Convert to fraction form
    35,135.75/48,488.53 = 20,030.64/x
  3. Step 3: Cross multiply
    35,135.75x = 48,488.53 × 20,030.64
  4. Step 4: Simplify right side
    35,135.75x = 971,256,288.56
  5. Step 5: Solve for x
    x = 971,256,288.56/35,135.75
  6. Step 6: Final answer
    x = 27,642.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.