Home / 42,283.14-63,431.98-14,205.88

Finding the Fourth Proportional to 42,283.14, 63,431.98 and 14,205.88

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Solution

The fourth proportional to 42,283.14, 63,431.98 and 14,205.88 is: 21,311.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,283.14 : 63,431.98 = 14,205.88 : x
  2. Step 2: Convert to fraction form
    42,283.14/63,431.98 = 14,205.88/x
  3. Step 3: Cross multiply
    42,283.14x = 63,431.98 × 14,205.88
  4. Step 4: Simplify right side
    42,283.14x = 901,107,096.04
  5. Step 5: Solve for x
    x = 901,107,096.04/42,283.14
  6. Step 6: Final answer
    x = 21,311.26

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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.