Home / 35,900.43-53,873.10-13,715.70

Finding the Fourth Proportional to 35,900.43, 53,873.10 and 13,715.70

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Solution

The fourth proportional to 35,900.43, 53,873.10 and 13,715.70 is: 20,582.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,900.43 : 53,873.10 = 13,715.70 : x
  2. Step 2: Convert to fraction form
    35,900.43/53,873.10 = 13,715.70/x
  3. Step 3: Cross multiply
    35,900.43x = 53,873.10 × 13,715.70
  4. Step 4: Simplify right side
    35,900.43x = 738,907,277.67
  5. Step 5: Solve for x
    x = 738,907,277.67/35,900.43
  6. Step 6: Final answer
    x = 20,582.13

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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.