Home / 54,533.78-81,838.34-35,822.78

Finding the Fourth Proportional to 54,533.78, 81,838.34 and 35,822.78

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Solution

The fourth proportional to 54,533.78, 81,838.34 and 35,822.78 is: 53,758.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,533.78 : 81,838.34 = 35,822.78 : x
  2. Step 2: Convert to fraction form
    54,533.78/81,838.34 = 35,822.78/x
  3. Step 3: Cross multiply
    54,533.78x = 81,838.34 × 35,822.78
  4. Step 4: Simplify right side
    54,533.78x = 2,931,676,849.39
  5. Step 5: Solve for x
    x = 2,931,676,849.39/54,533.78
  6. Step 6: Final answer
    x = 53,758.92

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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.