Home / 42,187.50-63,284.90-11,022.75

Finding the Fourth Proportional to 42,187.50, 63,284.90 and 11,022.75

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Solution

The fourth proportional to 42,187.50, 63,284.90 and 11,022.75 is: 16,535.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,187.50 : 63,284.90 = 11,022.75 : x
  2. Step 2: Convert to fraction form
    42,187.50/63,284.90 = 11,022.75/x
  3. Step 3: Cross multiply
    42,187.50x = 63,284.90 × 11,022.75
  4. Step 4: Simplify right side
    42,187.50x = 697,573,576.36
  5. Step 5: Solve for x
    x = 697,573,576.36/42,187.50
  6. Step 6: Final answer
    x = 16,535.08

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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.