Home / 35,476.08-53,078.76-21,384.24

Finding the Fourth Proportional to 35,476.08, 53,078.76 and 21,384.24

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Solution

The fourth proportional to 35,476.08, 53,078.76 and 21,384.24 is: 31,994.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,476.08 : 53,078.76 = 21,384.24 : x
  2. Step 2: Convert to fraction form
    35,476.08/53,078.76 = 21,384.24/x
  3. Step 3: Cross multiply
    35,476.08x = 53,078.76 × 21,384.24
  4. Step 4: Simplify right side
    35,476.08x = 1,135,048,942.74
  5. Step 5: Solve for x
    x = 1,135,048,942.74/35,476.08
  6. Step 6: Final answer
    x = 31,994.77

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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.