Home / 35,289.53-48,690.08-20,937.43

Finding the Fourth Proportional to 35,289.53, 48,690.08 and 20,937.43

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Solution

The fourth proportional to 35,289.53, 48,690.08 and 20,937.43 is: 28,888.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,289.53 : 48,690.08 = 20,937.43 : x
  2. Step 2: Convert to fraction form
    35,289.53/48,690.08 = 20,937.43/x
  3. Step 3: Cross multiply
    35,289.53x = 48,690.08 × 20,937.43
  4. Step 4: Simplify right side
    35,289.53x = 1,019,445,072.31
  5. Step 5: Solve for x
    x = 1,019,445,072.31/35,289.53
  6. Step 6: Final answer
    x = 28,888.03

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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.