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Finding the Fourth Proportional to 61,533.63, 84,916.44 and 33,239.32

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Solution

The fourth proportional to 61,533.63, 84,916.44 and 33,239.32 is: 45,870.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,533.63 : 84,916.44 = 33,239.32 : x
  2. Step 2: Convert to fraction form
    61,533.63/84,916.44 = 33,239.32/x
  3. Step 3: Cross multiply
    61,533.63x = 84,916.44 × 33,239.32
  4. Step 4: Simplify right side
    61,533.63x = 2,822,564,722.42
  5. Step 5: Solve for x
    x = 2,822,564,722.42/61,533.63
  6. Step 6: Final answer
    x = 45,870.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.