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Finding the Fourth Proportional to 53,289.92, 73,541.94 and 29,417.48

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Solution

The fourth proportional to 53,289.92, 73,541.94 and 29,417.48 is: 40,597.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,289.92 : 73,541.94 = 29,417.48 : x
  2. Step 2: Convert to fraction form
    53,289.92/73,541.94 = 29,417.48/x
  3. Step 3: Cross multiply
    53,289.92x = 73,541.94 × 29,417.48
  4. Step 4: Simplify right side
    53,289.92x = 2,163,418,549.11
  5. Step 5: Solve for x
    x = 2,163,418,549.11/53,289.92
  6. Step 6: Final answer
    x = 40,597.14

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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.