Home / 35,507.87-53,280.43-13,336.55

Finding the Fourth Proportional to 35,507.87, 53,280.43 and 13,336.55

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Solution

The fourth proportional to 35,507.87, 53,280.43 and 13,336.55 is: 20,011.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,507.87 : 53,280.43 = 13,336.55 : x
  2. Step 2: Convert to fraction form
    35,507.87/53,280.43 = 13,336.55/x
  3. Step 3: Cross multiply
    35,507.87x = 53,280.43 × 13,336.55
  4. Step 4: Simplify right side
    35,507.87x = 710,577,093.79
  5. Step 5: Solve for x
    x = 710,577,093.79/35,507.87
  6. Step 6: Final answer
    x = 20,011.82

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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.