Home / 35,476.08-53,153.90-21,406.54

Finding the Fourth Proportional to 35,476.08, 53,153.90 and 21,406.54

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Solution

The fourth proportional to 35,476.08, 53,153.90 and 21,406.54 is: 32,073.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,476.08 : 53,153.90 = 21,406.54 : x
  2. Step 2: Convert to fraction form
    35,476.08/53,153.90 = 21,406.54/x
  3. Step 3: Cross multiply
    35,476.08x = 53,153.90 × 21,406.54
  4. Step 4: Simplify right side
    35,476.08x = 1,137,841,086.22
  5. Step 5: Solve for x
    x = 1,137,841,086.22/35,476.08
  6. Step 6: Final answer
    x = 32,073.47

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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.