Home / 40,938.54-61,436.00-14,284.68

Finding the Fourth Proportional to 40,938.54, 61,436.00 and 14,284.68

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Solution

The fourth proportional to 40,938.54, 61,436.00 and 14,284.68 is: 21,436.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,938.54 : 61,436.00 = 14,284.68 : x
  2. Step 2: Convert to fraction form
    40,938.54/61,436.00 = 14,284.68/x
  3. Step 3: Cross multiply
    40,938.54x = 61,436.00 × 14,284.68
  4. Step 4: Simplify right side
    40,938.54x = 877,593,529.06
  5. Step 5: Solve for x
    x = 877,593,529.06/40,938.54
  6. Step 6: Final answer
    x = 21,436.85

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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.