Home / 35,859.14-53,813.20-12,485.57

Finding the Fourth Proportional to 35,859.14, 53,813.20 and 12,485.57

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Solution

The fourth proportional to 35,859.14, 53,813.20 and 12,485.57 is: 18,736.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,859.14 : 53,813.20 = 12,485.57 : x
  2. Step 2: Convert to fraction form
    35,859.14/53,813.20 = 12,485.57/x
  3. Step 3: Cross multiply
    35,859.14x = 53,813.20 × 12,485.57
  4. Step 4: Simplify right side
    35,859.14x = 671,888,475.52
  5. Step 5: Solve for x
    x = 671,888,475.52/35,859.14
  6. Step 6: Final answer
    x = 18,736.88

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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.