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Finding the Fourth Proportional to 59,471.34, 82,058.04 and 40,365.90

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Solution

The fourth proportional to 59,471.34, 82,058.04 and 40,365.90 is: 55,696.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,471.34 : 82,058.04 = 40,365.90 : x
  2. Step 2: Convert to fraction form
    59,471.34/82,058.04 = 40,365.90/x
  3. Step 3: Cross multiply
    59,471.34x = 82,058.04 × 40,365.90
  4. Step 4: Simplify right side
    59,471.34x = 3,312,346,636.84
  5. Step 5: Solve for x
    x = 3,312,346,636.84/59,471.34
  6. Step 6: Final answer
    x = 55,696.52

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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.