Home / 42,868.52-64,299.58-14,405.68

Finding the Fourth Proportional to 42,868.52, 64,299.58 and 14,405.68

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Solution

The fourth proportional to 42,868.52, 64,299.58 and 14,405.68 is: 21,607.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,868.52 : 64,299.58 = 14,405.68 : x
  2. Step 2: Convert to fraction form
    42,868.52/64,299.58 = 14,405.68/x
  3. Step 3: Cross multiply
    42,868.52x = 64,299.58 × 14,405.68
  4. Step 4: Simplify right side
    42,868.52x = 926,279,173.61
  5. Step 5: Solve for x
    x = 926,279,173.61/42,868.52
  6. Step 6: Final answer
    x = 21,607.44

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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.