Home / 35,721.92-53,580.08-13,533.28

Finding the Fourth Proportional to 35,721.92, 53,580.08 and 13,533.28

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Solution

The fourth proportional to 35,721.92, 53,580.08 and 13,533.28 is: 20,298.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,721.92 : 53,580.08 = 13,533.28 : x
  2. Step 2: Convert to fraction form
    35,721.92/53,580.08 = 13,533.28/x
  3. Step 3: Cross multiply
    35,721.92x = 53,580.08 × 13,533.28
  4. Step 4: Simplify right side
    35,721.92x = 725,114,225.06
  5. Step 5: Solve for x
    x = 725,114,225.06/35,721.92
  6. Step 6: Final answer
    x = 20,298.86

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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.