Home / 35,474.28-53,221.85-10,515.05

Finding the Fourth Proportional to 35,474.28, 53,221.85 and 10,515.05

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Solution

The fourth proportional to 35,474.28, 53,221.85 and 10,515.05 is: 15,775.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,474.28 : 53,221.85 = 10,515.05 : x
  2. Step 2: Convert to fraction form
    35,474.28/53,221.85 = 10,515.05/x
  3. Step 3: Cross multiply
    35,474.28x = 53,221.85 × 10,515.05
  4. Step 4: Simplify right side
    35,474.28x = 559,630,095.16
  5. Step 5: Solve for x
    x = 559,630,095.16/35,474.28
  6. Step 6: Final answer
    x = 15,775.66

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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.