Home / 35,908.40-53,828.52-12,528.56

Finding the Fourth Proportional to 35,908.40, 53,828.52 and 12,528.56

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Solution

The fourth proportional to 35,908.40, 53,828.52 and 12,528.56 is: 18,780.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,908.40 : 53,828.52 = 12,528.56 : x
  2. Step 2: Convert to fraction form
    35,908.40/53,828.52 = 12,528.56/x
  3. Step 3: Cross multiply
    35,908.40x = 53,828.52 × 12,528.56
  4. Step 4: Simplify right side
    35,908.40x = 674,393,842.53
  5. Step 5: Solve for x
    x = 674,393,842.53/35,908.40
  6. Step 6: Final answer
    x = 18,780.95

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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.